If the following systerm of equations was written as a matrix equation in the
a=[a c]
[b d]
form ax =c and matrix a was expressed in the form, find the value of a-b+c+d
2x + 8y=7
4x- 2y= 9

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