The circumference of a circular track is 154 m find the diameter of the track.

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²