Giving away 16 points |  the glee club has $90 to spend on pens and pencils. each pen costs $0.75 and each pencil costs $0.15. let x represent the number of pens, and let y represent the number of pencils. if the equation is 0.75x + 0.15y = 90, what is the greatest number of pens and the greatest number of pencils the club can buy? provide an explanation.

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