A construction company can remove 6 1/2 metric tons of dirt from a construction site in 3 1/8 hours. What is the unit rate in metric tons per hour?

Write your answer as a fraction or a mixed number in simplest form.

What is the smallest integer n such that n\sqrt{2} is greater than 20

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

How do i simply this radical expression?