Set up a system of equations and solve. The tip jar next to the cash register has 150 coins, all in dimes and nickels. If the total value of the tips is $12, how many of each coin are in the jar?

And explain how you got it so i can understand future problems : 3

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

What is the rate for one gallon of gasoline