Subract (10a^2-6a) - (7a^2-8a)

How much money invested at 5% compounded continuously for 3 years will yield at $820?

Determine whether 1980mg is greater than or less than 2g and then find the difference in the weights

300,000+5,000+80+8· 1/100 + 9· 1/10,000

There are 14 performers who will present their acts this weekend at a comedy club. One of the performers insists on being the last stand-up comic of the evening, and another performer wants to be the first.

A rectangular prism has dimensions of 1 1/2, 2, and 7/2 in. What is the volume of the prism? Show your work and express your answer as a decimal or mixed number.

Decide whether a discrete or continuous random variable is the best model for each of the following variables: (a) The time until a projectile returns to earth. (b) The number of times a transistor in a computer memory changes state in one operation.

The rquation of a citcle is x^2+y^2=16 what is the radius of the circle

BETH and Carley are selling candy bars to raise money for new cheer outfits. Beth has sold one less than twice the number of candy bars carely has sold. If they have 188 candy bars in all how many has Beth sold?

Mr. Smith has 28 sixth graders and 35 seventh graders. If he wants to break the two grades into identically sized groups without any students left over, how many students should be in a group

1. What is a perfect square? 2. What is the square root of 4x²? 3. What is the square root of 25? 4. Factor 4x² + 20x + 25.