Substitute for y and rewrite the system of equations as a single equation which can be used to solve for x .y=3x-8 y=4-x

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.

Five infinity stones cost $16.80. what is the price per infinity stone ?

To start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? the two equations are -2x-5y=-1 and 4x+2y=8