Answer:
A)
Step-by-step explanation:
check that the formula in A works . . .
the 7th term should be 320
a(320) = 5(2)^7-1
= 5(2)^6
= 5(64)
= 320
Answer: not here!
Step-by-step explanation: 72 ounces is 9 cups! (Divide by 8) (Assuming you mean US cups)