Eliminate "x" from equation x-1/x =p , x2+ 1/x2 = 2q2 (2 is square)

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Two consecutive negative integers have a product of 30. what are the integers?

What is the best estimate of the length of a football