Which of the following are solutions to the equation below? check all that apply 4x^2-81=0

Which property is illustrated by the statement given below? raj raj.

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?