What is the value of 7/10 cubed

Write two subtraction equations that are equivalent to 5 + 12 = 17.

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')