Explain how to simplify this expression: 4a + 19 - 3a - 7

Michael took 12 tests in his math class. His lowest score was 78. His highest score was 98. On the 13th test, he earned a 64.

If he burns 15.75 calories playing basketball, how much time will it take to burn 1,360 calories.

Which one is true show work for all a. if 4 (x+6) = 15, then x = 2 b. if 4 (x-8) = 36, then x=24 c. if 4x+10=26, then x=4 d. if 6x-18=48, then x=11

If f (x) = 2/x and g (x) = x^2 what is f of g

Which energy resource causes the greatest waste disposal concerns? geothermal power nuclear solar power coal

2,400 principal earning 2%, compounded annually, after 7 years. Find the balance in the account

Find each probability if a die is rolled. P (divisible by 4)

The Hamptons Family has a fish tank holding 10,450 ml of water. The water is leaking at a rate of 270 ml per minute. How much water will be left in the tank after 15 minutes?

There are 136 people waiting for a river raft ride each raft holds 8 people silvia find the number of rafts needed

An antelope Can run at a speed at 61 mph. What is the speed in yards per second? Round to the nearest hundredth.