1. A scientist placed 8 one-celled organisms into a dish. Each cell split into 2 cells every hour. The expression Ask Your Teacher represents the number of cells after 6 hours. How many cells were in the dish after 6 hours?
8 + 3.5 h; 16.75 inches
3.5 + 2.5 h; 23.5 inches
2.5 + 8 h; 30.5 inches
(2.5 + 3.5) × h; 48 inches

excellent and heart and first real answer will get brainiest

2. A scientist placed 8 one-celled organisms into a dish. Each cell split into 2 cells every hour. The expression Ask Your Teacher represents the number of cells after 6 hours. How many cells were in the dish after 6 hours?


A. 64
B. 208
C. 512
D. 826

help me out please !!!

Mr. Smith is painting the wall but not the door. A gallon of paint will cover 200 square feet. How many gallons of paint will Mr. Smith need to purchase?

Eighty students try out for the school play. Of these students, 60% are given roles in the play. Males are assigned 25% of the roles in the play. How many males have a role in the play? pleae help me

A plant has to grow close to the ground to resist cold and has shallow roots because the soil under it is frozen. In which biome is this plant most likely found? temperate rain forest tundra desert tropical rain forest

In a certain​ chemical, the ratio of zinc to copper is 4 to 11. A jar of the chemical contains copper. How many grams of zinc does it​ contain?

PLEASE HELP ITS VERY URGENT

I NEED HELP ASSSSSAAAAPPPP

WILL GIVE BRAIN
ASAP

ASAP PLZZ HELP IT 30 POINTS AND PLZZ ANSWER THE WHOLE THING EACH SECTION IS COLOR CODED SO YOU CAN SAY LIKE THE BLUE EG GOES IN SECTION 1 IF YOU DONT KNOW WHAT you're DOING PLZZ DONT ANSWER

HELP ASAP PLS

Which statements are true about the ordered pair (−4, 0) and the system of equations?

{2x+y=−8
{x−y=−4


Select ALL correct answers.


The ordered pair (−4, 0) is a solution to the first equation because it makes the first equation true.

The ordered pair (−4, 0) is a solution to the second equation because it makes the second equation true.

The ordered pair (−4, 0) is a solution to the system because it makes both equations true.

The ordered pair (−4, 0) is not a solution to the system because it makes at least one of the equations false.

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45 points!!!!!!!!!!!

HELP DID I ANSWER THIS CORRECTLY? if not explain super short

backpack discounted 10% on sale for $37.80 what was the original price???

For each function: (1) determine the real zeros and state the multiplicity of any repeated zeros, (2) describe the end behavior, and (3) sketch the graph

1) f(x) = -x^4 + 8x^3 - 20x^2 + 16x

Please help!! The expression 5(3 + 7) is a (pls explain how to do it)

PLS HELP ME OUT!!!


A juice factory offers its juice in both bottles and cans. A class of students on a field trip decides to compare the numbers of cases of bottled juice and canned juice that are packaged each minute. The students count the number of cases that are packaged on each assembly line over several minutes.​

The penguin pool at a zoo is in the shape of a circle. A penguin is moving at a constant speed and walks 4 laps around the pool in 10 minutes.

How many laps per minute is that? (1 point)
A. 0.4 laps
B. 1.0 laps
C. 1.4 laps
D. 2.5 laps

How many minutes per lap is that? (1 point)
A. 0.4 minutes
B. 1.0 minutes
C. 1.4 minutes
D. 2.5 minutes

At that rate, how many laps can the penguin complete in 18 minutes? (1 point)
A. 7.2 laps
B. 45 laps
C. 72 laps
D. 180 laps

A bag contains 5 red marbles, 3 green marbles, 2 purple marbles, 2 orange marbles, and 1 blue marble. 5 red marbles, 3 green marbles, 2 purple marbles, 2 orange marbles, and 1 blue marble. Which color marble is less likely to be picked than purple? blue orange green red

What is a million times 0000000000000000000 the answer is 0

Write the constant of proportionality (k). Write an equation (y=kx)

k. Jacob is baking chocolate chip cookies. The recipe
uses34cup of sugar. Jacob wants to make one-half
of a batch. How many cups of sugar does he need? ____________

m. In the fridge, Hannah had 23of a quart of milk.
She used half of this milk when she had breakfast
cereal. How much milk did she use? ____________ pls give me a real answer

Hey, amazing people can you help me? I will give 25 points and brainlist!

helpppp pleasee ill give brainliest

I really need Help PLS HELP ASAP! WILL MAKE BRAINLIEST: The current temperature in Lansdowne is 20°F. This is 6 degrees less than twice the temperature that it was five hours ago. Write and solve an equation to determine the temperature in Lansdowne five hours ago.

Researchers wanted to estimate how many lizards were living in a nearby wildlife preserve. The researchers went to the preserve and marked 89 lizards. A few weeks later, they returned to the preserve and counted 330 lizards, of which 33 were marked. To the nearest whole number, what is the best estimate for the lizard population?

Which table best classifies the following numbers as rational and irrational?

negative 4 over 5., square root of 2., 2.5, 0 point 4 bar., square root of 16.


1. Rational square root of 2.
Irrational negative 4 over 5., 2.5, 0 point 4 bar., square root of 16.

2.Rational negative 4 over 5., 2.5, 0 point 4 bar., square root of 16.
Irrational square root of 2.

3.Rational negative 4 over 5., 2.5, 0 point 4 bar.
Irrational square root of 2., square root of 16.

4.Rational square root of 2., square root of 16.
Irrational negative 4 over 5., 2.5, 0 point 4 bar.

Which of the following functions has the function rule y = x + 4?

a) {(-3, 1), (0, 4), (2, 6)}
b) {(0, 2), (-2, -6), (1, 5)}
c) {(-2, 2), (-1, -5), (3, 7)}
d) {(2, 6), (-3, -7), (0, 4)}

Mai's family arrived at her aunt's house at 6:20 at night after riding in the car for 2 hours and 43 minutes. What time did Mai's family leave? Move numbers to the clock to show the time.​

Le help please, I need answers

Which label on the cone below represents the diameter? D В А. с ОА ов ос OD​