There are 10 red marbles and 20 green marbles in a bag. colleen says the ratio of red marbles to green marbels is 19 to 20. fritz disagrees and says the ratio is 1: 2. which student is correct? explain your answer

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

If i have one apple and give you the apple, how many apples do i have?

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