Alexis bought x boxes of cereal for $3 each, including tax, and paid with a $20 bill. Which expression represents the total amount of change she should receive? pick one of the following

20 - 3x

(3 - 20) x

3x - 20

(20 - 3) x

What is the answer to 9 2b=47?

2 ways to write 9 (46) ?

What is 4 and 16/25 simplified

A paving company is preparing to build a driveway that will be 40 feet long and 12 feet wide. They will start with an 18 inch layer of crushed gravel, how many cubic feet of gravel will they need.

What is the number rounded to the nearest tenth of 15.839

A coach on a basketball team ordered jerseys for each player. Each one cost $12.95. The shipping charge for the entire order was a one-time fee of $20. The coach spent under $125 for the shirts and the fee.

A type of ribbon costs $0.32 per yard. How much do 4.5 yards of the ribbon cost?

Between which two square roots of integers could you find π?

A fraction with a zero in the numerator equals

Trella Alcala deposited 1950.00 in a new credit union savings account on the first of the quarter. The principal earns 4.25 percent interest compounded quarterly. What was the amount in her account at the end of the 6 months?