2. Solve 3x + 2y = 7 and x - 4y = -21 by using substitution. F (3,-1)
H(-1,5)
G()
J (1,5)

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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

Which of the following is not a subset of {1,2,3}?