What is the equation of the midline for the function f(x)? f(x)=12cos(x)+5

Enter your answer in the box.

Please answer ASAP

Asap 25 pts + brainliest to right/best answer

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Simplify. 3(4+4x) (type your answer in with no spaces)