The volume of a cone is 251.2 cubic inches. the height of the cone is 15 inches. what is the radius of the cone, rounded to the nearest inch? use π = 3.14.

16 inches
8 inches
6 inches
4 inches

What is the value of r of the geometric series?

Can someone me out here number 4 plz

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.