Solve the following quadratic equations using the Quadratic Formula. 1. x2 - 4x - 21 = 0
2. 2x2 + 6x = 0
3. 3x2 – 25 = 0

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length