Factor the following number and give the steps

4a+12b-20

Andrew drove 60 miles per hour for 2 hours. What is the total distance he traveled?

Isabelle is mixing red paint with blue paint to make purple paint. She adds 3/10 of a fluid ounce of red to 11/15 of a fluid ounce of blue to 1 1/30 make fluid ounces of purple.

About 50 percent of the math questions are multiple choice and 50 percent are grid-in. True. False

A student solved this problem and said the answer was 8 3/4 hours. Fred spent 5 hours doing his three chores on the weekend. He spent 1 1/2 hours mowing the lawn, 2 1/4 hours weeding the garden, and the rest washing the car.

Suppose that the function f (x) = 2x + 15 represents the cost to rent x movies a month from an internet movie club. Makayla now has $10. How many more dollars does Makayla need to rent 7 movies next month?

Solve the compound inequality 9x ≤ - 27 or 4x ≥ 36.

Spaceship Earth at Epcot center in Florida is 180 foot geosphere estimated volume by assuming it is a sphere with diameter 180 feet

If a die is rolled 1 time find the probability of getting a number less than 6

What adds to - 3 and multiplies to - 54

White the number 876,543,210.25 in expanded notation