A student was asked to find the volume of the solid where the inner

cylinder is hollow. He incorrectly said the volume is 1,959.36 in..

Find the volume of the solid. Use 3.14 for 1. What mistake might the

student have made?

i think it is 70

step-by-step explanation:

other answer is correct. i had used the radius of the radius somehow. a website:

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system