What are materials engineers trying to discover when they study different materials?
please help im timed!

The table below shows the illuminated percentage of the moon on a lunar cycle of 28 days. The relationship can be described using a cosine function.A 2-column table with 5 rows. Column 1 is labeled d with entries 0, 7, 14, 21, 28. Column 2 is labeled percent with entries 0, 48, 96, 48, 0.Use the drop-down menus to complete each statement.The amplitude of the function is .The period of the function is .The graph has a vertical shift of units. Biologist Dr. Cytoplasm wants to know how many elephants in the nature reserve have broken tusks . Of the 30 elephants that he observes in random places in the reserve, he counts 8 elephants with broken tusks. Of the 600 elephants in the reserve, how many can he expect to have broken tusks? Are the following lines Parallel , Perpendicular or Neither ? A. 7x - 2y = 6B. -6x - 21y = 20 7x 7y = 14 2x +7y = 19 Need help with math hw Solve the system by substitution.y = -5xy = -7x 14Submit Answer NEED ANSWERS FASTRead the following scenario:A music producer is scouting new talent at a local music festival in Nashville, TN. She hears a band that she is interested in signing to her record label. However, the band has already been recording professionally, and a good friend is acting as their production manager.Which of the following would a music producer most likely do in this situation?Sign the band and transfer their pre-recorded album to the label for distribution while making their production manager a part of the labels production team.Sign the band and release their production manager with a reference from the record label while buying the existing copies of the bands albumOffer the band some professional tips and seek a band that does not already have a production managerMove on and keep looking for a band that has not already recorded an album. HELP FAST PLEASE. Vacuoles in different organisms and cell types typically have different compositions and functions. Which of thefollowing pairs are most similar in composition and function?central vacuoles in plant cells and food vacuoles in amoebas that store sugarcontractile vacuoles in unicellular eukaryotes and central vacuoles in plant cellscontractile vacuoles in unicellular eukaryotes and small storage vacuoles in plant cellsfood vacuoles in amoebas and lytic vacuoles in plants that contain hydrolyzing enzymes Which type of triangle will always have a perpendicular bisector that is also an angle bisector?rightscaleneobtuseequilateral In three to five sentences, state one of the benefits of studying music theory and why it's important. The Earth is the only planet in our solar system that seems capable of supporting life as we know it. Which of these characteristicsis NOT necessary if a planet were to support life?A)source of fresh waterB)extreme global warmingC)able to receive sunlightDsmall changes in temperature In an election, Ms. Duval got 534 votes, Mr. Smith got 507, and Mr. Fennig got 88. What percent of the vote did the winner get? The Proclamation of 1763 created tension between the colonies and King George the III because It limited trading with the Native Americans along the Appalachian Mountains It forbid the colonists from acquiring land west of the Appalachian Mountains It allowed the British to search their property in any and all circumstances The colonists were no longer allowed to trade with countries other than their mother country Kevin started a ping pong club at his school, and the table shows the number of participants in the club over several years. Find the rate of change in the number of participants.16 is not an answer for me on my assignment. What should I do? The product of two radicals is always an irrational number.AIways TrueNever TrueSometimes True prof/desorganise/brillant To solve -3 = -19 +d/5 , what steps would you use? Solve for a. Show your work (ALL steps must be shown): 3(a+3)+6=30 Pre-reading question: What do you think of when you hear theword "enlightenment"? What does it mean to you? what is the equivalent to (2 5)2