Solve the system of equations. What is the x- value of the solution?
y = - 4x + 9
y = 2x - 15
A. No Solution
B. 4
C.
6
D. -7

The formula for the volume of a rectangular prism is v = lwh. a rectangular prism has a length of 2y 3 and width of 5y. the volume of the prism is 20y 10 + 70y 4 . what is the height of the prism? show your work.

Can someone answer this question? : )

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)