Use a common denominator to find –12+(-3).
Explain your answer.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution