As a part-time contractor, you want to test a new cement mixture for a project. you need 2 34 wheelbarrows of sand to make 8 wheelbarrows of concrete. how much sand will you need to make 248 cubic feet of concrete?

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

If the scale factor between two circles is 2x/5y what is the ratio of their areas?