Acontractor digs a hole for the basement of a new house that is 40ft long and 10 half feet deep what is the width of the hole if 6510 cubic feet of dirt are removed

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

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