A water wave is created in a wave tank in a science lab. The wave has an amplitude of 12 cm and a period of 2.5 seconds. The graph shows the waves height after t seconds which function model creates this relationship?

What function has a range {yly< 5}? question on picture above^

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.