A pool can be filled by one pipe in 4 hours and by a second pipe in 12 hours. How long will it take using both pipes to fill the pool?

A teacher decides to assign students a project where they will develop an amortization schedule of a purchase so they can apply a lesson using the future value formula and observe the details line by line as payments are made.

Adam wants to mix 10 cups of fertilizer from concentrate. He needs to mix one part of fertilizer concentrate with 4 parts of water.

A theater sold a total of 570 tickets for a new movie. Of those tickets, 30% were children's tickets. How many children's tickets were sold?

If three times a certain number is subtracted from 10, the result is negative two. Find the number.

The volume of a cube depends on the length of its sides. This can be written in function as v (s). What is the best interpretation of v (4) =

I bought a box of 124 crayons for the art class to share. The crayons cost $21.08 with tax included. What was the cost per crayon?

Explain how you could find the simplest form of 100/1,000.

What is the range of the function f (x) = 4x + 9, given the domain D = {-4, - 2, 0, 2}? R = {-7, - 1, 9, 17} R = {1, 7, 9, 17} R = {-17, - 9, - 1, 17} R = {-7, 1, 9, 17}

What value from the set 10,11,12,13 that makes the equation 2 (x-5) = 12 true

there is a 40% chance that you will lose $25,000 if you invest in a company, but there is a 25% chance that you will break even and a 35% chance that you make $40,000. what is the excepted value of the investment?