Mark and clean his father's office in 30 minutes his younger sister Lynn can clean the office in 40 minutes how long will it take the two of them together to clean the office

What is the area of a circle with a diameter of 15.8 cm? Use 3.14 for pi and round your final answer to the nearest hundredth. Enter your answer in the box. cm2

Which algebraic expression is equivalent to the expression below? 9 (2x+6)

Identify the variation as direct, inverse, joint or combined. a1b1/c1 = a2b2/c2

The mean age of 5 people in a room is 28 years. A person enters the room. The mean age is now 29. What is the age of the person who entered the room?

how much money is needed to buy 1/4 pound of butter at $.92 a pound, 4 pounds of sugar at $.24 a pound, and 6 eggs at $.72 a dozen?

Miguel bought a movie ticket that cost $5. he also bought popcorn and a bottle of water. How much did Miguel spend altogether?

1/3 - negative 2/5 - 3/4 =

What is 32/36 equivalent to?

Which symbol makes 3 13/28 and 3 17/30 a true sentence

Your company purchased a large printer for printing on fabric. The purchase price was 240,000. The printer depreciates at a rate of about 12% annually. How many years will it take for the printer to be valued at 150,000