X^2 = 4x + 4 what is the roots of this equation

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

Which ordered pair is a solution of the equation? 2x+3y=10