Simplify:

a) 3a²b + 4a²b - a²b =

b) 3a²b + 4ab² + 2a²b =

c) 3a²b + 4a² + a²b + 6a² =

d) 3a²b + 4a² + a²b + 6b² =

Maura runs 5 miles in 1.25 hours. Ava runs 3 miles in 50 minutes, or 0.83333333333 hour. Who runs faster?

Find the value of - 12 + 8 - (-9). O-5 05 0-13 O 13

It takes Benjamin 28 minutes to mow 2 lawns. How long does it take him to mow 1 lawn? Assuming the lawns are the same size and Benjamin works at the same speed, how long will it take him to mow 5 lawns?

Using only whole numbers, Nikki wrote as many multiplication equations as she could with 12 as the product. What were her equations?

If the three angles of a triangle have equal measures, find that measure.

Principal = $450 rate = 5% time = 4 years simple interest = compound interest =

A sentence that equals to x=7

A car with a tank that holds 11.6 gallons of gasoline is using 1.45 gallons per hour. Is the tank more than half full of gasoline after 3.5 hours? Explain your answer.

Jacob wants to know the favorite sport among sixth grade students. Which types of survey below with give Jacob valid results?

If f (x) = 2x+7, find the value of x when f (x) = 10