Multiply (x+2)(x2−3x +4) I really need the help thanks

Find the solution of system of equation y= x-4 y=4x+2

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?

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?