Working with your cousin you can refinish a table in 3 hours. working alone, your cousin can complete the job in 7 hours. how long would it take you to refinish the tab look alone?

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Which is f(5) for the function –2x2 + 2x - 3?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm