Abookstore had 60 copies of a magazine. yesterday, it sold 2/3 of them. today, it sold 1/4 of what remained. how many copies does the bookstore have left?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

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