What is the circumference of a circle with a radius of 7 feet?

42
3.5
28
14

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

What is the standard form of -5x^2+2x^4-11+x^3+3x

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?