8. Mark can 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?

If the radius is 3.5 and the is 7 what is The approximate area

Find the equation of the line that has slope - 5/7 and which passes through (-1,-2)

A junior baseball team plays 16 games each summer. Last summer the team scored an average of 3.25 runs per game during the first half of the season. The team scored a total of 29 runs during the second half of the season.

What is the absolute difference in boxes sold between Liszt and mark

4). The prices of various cereal boxes is normally distributed with a standard deviation of 0.5. If a box of Lucky Charms sells for $4.29 and has a Z-score of 1.6, what is the mean price of a box of cereal?

How do you convert 79 dollars to cents

Matt is raking leaves for his neighbors. It takes him 7/8 hour to rake one lawn. How long will it take Matt to rake the leaves for 6 neighbors? Write a multiplication sentence to sole.

Describe the difference between simple and compound interest and which type of interest earns money more quickly

The charts show the effect of an interest rate adjustment on an adjustable-rate mortgage. Before adjustment, the principal is 200,000 dollars, the monthly interest rate is.

Chef Johnson used 4 1/2 cups of flour to make 4 fruit cakes how many cups of flour are needed for 1 fruit cake