Which of these is equivalent to the expression below when x = 3? x2 - 2x + 1
-14

-2

4

16

Solve the system of equations. y= 2x y= x^2 - 15

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20