Which of the following numbers is not a perfect square? 24 25 64 100

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false