All clothing is being marked down 15%. which expression represents the new retail price?   a  1.85xb  0.15xc  1.15xd  0.85x

7x+8y=-18, 4x-9y=-3 solve the system of equations

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Solve the equation by completing the square. x^2+2x=17