Which property of addition is used in the following (7+9) + 5=7 + (9+5)

1+1+1+2+3+5+5+7+8+8+8+8+8+8+8+8+8•110

Water makes about 3/4 of a person's weight. 1. If a student weighs 86 lbs., how much of his weight is water? 2. If a student weighs 70 lbs., how much of his weigh is water? 3. If water makes 30 lbs.

It takes 32 minutes for three people to paint for walls. How many minutes does it take for people to paint seven walls?

A hamster runs in its wheel whose radius is 3 inches. The wheel completes 7.3 revolutions in 6 seconds. What is the linear velocity of the hamster's wheel?

Find the common factors and the GCF of 8 and 24

María drinks 400 ML of water every hour how many hours will it take her to drink 2 L of water

A car travels 416 miles in 8 hours and at this rate how many miles will the car travel in 22 hours

The cafeteria staff makes 100 ham sandwiches, 70 tuna sandwiches and 40 turkey sandwiches. The sandwiches are all wrapped in the same plain, white paper and mixed together. Unfortunately, the cafeteria staff failed to mark the sandwiches.

Find the common ratio to the sequence -125,-25,-5,-1

12 gallons of water fill a tank to 3/4 capacity. If the tank is then filled to capacity, how many half-gallon bottles con be filled with the water in the tank?