What is the average rate of change between:
x = 1 and x = 2?
x = 2 and x = 3?
X = 3 and x = 4?

7x+8y=-18, 4x-9y=-3 solve the system of equations

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?