Simplify to create an equivalent expression.

-r+8 (-5r-2)

Sarah wants to give the pizza delivery boy a 20 percent tip. If the pizza bill is $48.25, how much should she tip?

7 divided by 1/12 in fraction form simplified

The ratio of men to women working for a company 3 to 5. If there are 51 men working for the company, what is the total number of employees? ... ?

manuel works in a music store and earns 7.2% commission on each sale. if manuel sells a piano and earns $130.50, what is the price of the piano? round your answer to the nearest cent

How many inches are in 12 ft? A. 1 inch. B. 24 inches. C. 120 inches. D. 144 inches

What is the momentum of a 79-kilogram ice skater gliding across the ice at a speed of 16 m/s?

There are 52 white keys and 36 black keys on a standard piano. What is the probability that if a person did not look and hit the keyboard twice that he or she would first hit a white key and then hit a black key?

Problem Page A rug is in the shape of a square. It measures 14 feet on each side. What is its perimeter?

Some people advise that in very cold weather, you should keep the gas tank in your car more than half full. Irene 's car had 5.5 gallons in the 14 -gallon tank on the coldest day of the year. Irene filled the tank with gas that cost $3.70 per gallon.

If N = 34, what is 7 - N?