Im actually smart...whats 10 times 10

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

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