Find the value of x so that the function has the given value.
b(x)=- 19x+9; b(x) = 15

The sum of two numbers is 86, and their difference is 20. find the two numbers

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?