Dirk can clean a playground in 5 hours. Geralyn can clean a playground in only 4 hours. Which of the following can be used to determine the amount of time it would take for Dirk and Geralyn to clean a playground together?

For the data below, what is the outlier? 46, 39, 61, 10, 50, 70, 60, 45, 64, 55 A. There are no outliers B. 10 C. 70 D. 50

A telephone pole casts a shadow that is 17 m long. find the height of the telephone pole if a statue that is 68 cm tall casts a shadow 97 cm long.

barney earns $24.75 in three hours. if the amount that he earns varies directly with the numbers of hours, how much would he earn in 20 hours?

For an oblique rectangular prism, find the volume if the height is divided up into 30 sections, with a total height of h = 60cm, l = 10cm, w = 20cm. a. 400 cm3 b. 1,200 cm3 c. 6,000 cm3 d. 12,000 cm3

Kristine bought a vase that cost $5.99 and roses that cost $1.25 each. The total cost was 20.99. Write and solve an equation to find out how many roses Kristine bought.

A six-sided die has one face painted red, two faces painted white, and three faces painted blue. Each face is equally likely to turn up when the die is rolled. Find the probability that a red face turns up.

A certain number added to its square is 30. Find the number.

the area for any square is given by the function y=x squared where is the length of a side of the area square and y is the area of the square write the equation I'm function notation and find the area of a square with a side length of 3.5 inches

Simplifying the following expression 6 + 2 (3-9 + 5) + ( - 9)

For your own safety, the bank representative says that the following characteristics of PIN numbers are prohibited: (1) all four digits identical, (2) sequence of consecutive ascending or descending digits, such as 0123 or 3210, (3) any sequence