Need help with this <33

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.