I NEED HELP RIGHT NOW

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2