working together Jacob and Kayla can clan an attic in 4.24 hours. had she done it alone it would have taken Kayla nine hours. how long would it take Jacob to do alone?

Sixty percent of a roof, or 1400 square feet of the roof, has been re-shingled. What is the total area of the roof?

If a room needs 7 rolls of wire, how much will 7/10 of 1 roll do

Thirty pounds of a salt-water solution contains fifteen percent salt. How much water must be added to weaken the solution to ten percent salt?

Joe has a cylindrical glass jar that he wants to fill completely with apple juice. The jar has a diameter of 4 inches and a height of 8 inches. Which formula can Joe use to determine the amount of apple juice in this glass jar? A. V=πr2h B.

How can $500 be divided between two people so that one person gets $50 more than the other?

4 1/2 divided 1 5/7 =

F (x) = x2 + 6x + 15 What's the vertex

What is 8 to the - 2nd power?

what is the volume of a cylinder ring if we know the diameter of the revolving circle is 4 ft. and the length of the center line is 65 ft.

If the function f (x) = 3/2x-10 were graphed, which of the following would be true? A. All the y-values would be negative. B. As the x-values increase, the y-values would increase. C. All the x-values would be negative. D.