How do i find the circufrence of a circle

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost