If one lap around the track equals one fourth of a mile. a horse ran a distance of 9 laps in 2 minutes 30 seconds. what is the horse's average speed in miles per minute

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2