Find the area of the semicircle.
Either enter an exact answer in terms of 7 or use 3.14 for it and enter your answer as a decimal.

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319