If a circle has a diameter of 30 meters, which expression gives its area in square meters?

A 15•pie
B. 30²•pie
C. 30•pie
D. 15²•pie

What’s the domain of this function? fast

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17

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