Which of the following is the equation of a vertical line a. x=3 b. y=-x c. y=3 d. y=x

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

What is the definition of exponential decay?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.