Whats the sales price of jeans if the cost 50$ and the discount is 15%

Which shows the pre image of triangle xyz

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.