The end of a spring is pulled as far as it will go and then is released. On the first bounce back it extends 144 cm. On its second bounce back it extends 72 cm. On its third bounce back it extends 36 cm. How many times will the spring bounce back before it extends 9/8 cm?

Answer choices:
a) 6
b) 7
c) 8
b) 9

Which of these choices show a pair of equivalent expressions?

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.