What value of b makes the equation true ? -(-b + 5) + 5b = -19 - b
b=?

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?

How do i take any fraction and make it into a decimal or percentage?

If wxyz is a square, which statements must be true?