Y=3x+1. y=-x+5 solve by substitution

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

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot