Find the common ratio for the following sequence. 1/2, -1/4, 1/8, -1/16

1. -2
2. 1/2
3. 2
4. -1/2

Select the correct answer what is the 10th term of the geometric sequence 3,6, 12, 24,48 a. 512 b. 3,072 c. 768 d. 1,536

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.

What’s the answer? and how do i solve it ?