Find (3a2 - 2a + 4) - (a2 - 3a + 7).

A. 2a^2 + a - 3

B. 2a^2 - 5a + 11

C. 4a^2 - 5a + 11

D. 4a^2 + a - 3

Mike biked 5 miles on Tuesday, 3 miles on Wednesday, and twice as many miles on Saturday as Wednesday. If she hopes to bike a total of 25 miles for the week, how many miles should Mike bike on Sunday?

What is 12/30 simplified

Ms. Barton and three neighbors purchased a snowblower to share the snowblower cost $439.20 describe how you can estimate each person share of the cost.

72 divided by negative 4

What is the percent of increase from 40.2 to 98.9? Round your answer to the nearest tenth of a percent and include a percent sign (%). How do you round it? Explain in answer.

I have a coil of steel that is 48 inches wide. The weight of the coil is 10.800 kegs. If I cut the coil a width of 0.5 inches how much will the 0.5 inch coil weigh. Can you show me an example on how to figure this problem out.

How many more years will it take Inga to pay off the loan

A large planetarium in the shape of a dome is being built. When it is complete, the base of the dome will have a circumference of 87 kilometers. What area of land was required for this planetarium?

Emily has 50 gallons of water to share between 6 different fish tanks. She puts an equal amount of water in each fish tank. What is the total amount of water, in gallons, in each tank?

Why are most personal loans much smaller than mortgages and home equity loans?