What is the sum or difference in the simplest form 2 over 5 plus 3 over 7

Which expression is equivalent to r^9 over r^3

Why are people at new madrid bend youth center so hurtful

The lowest elevation in Long Beach, California, is 7 ¾ feet below sea level. The elevation of Death Valley is about 40 times lower than the elevation of Long Beach. What is the elevation of Death Valley?

How many yards does 57 feet equal

If the students finished their assignment at 1:30 and they had been working for an hour and 45 minutes, what time did they start?

Suppose you are getting new inground pool at your house. The pool is going to be a rectangle that is 30 feet by 15 feet. The outside border of the deck around the pool will also be a rectangle, which is 44 feet by 28 feet.

There are 12 team members. They each ate 3 slices of pizza. Each pizza was cut into 8 slices. What fraction of the pizza did the team eat altogether?

Solve for v 12v = 18+6v

Maggie's brother is four years younger than twice her age the sum of their ages 11 how old is Maggie?

Kirsten invested $1000 in an account at an annual interest rate of 3%. She made no deposits or withdrawals on the account for 5 years. The interest was compounded annually. Find the balance in the account, to the nearest cent, at the end of 5 years.