Can't figure this question out (1/2x) + 2 = -2
I nEeD AnSwErS PlEaSe HeLp Me!!!

Write each expression in exponential form and find its value. 2 x 2 x 2 x 2

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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?