In the trapezoid, what is the measure of 1?

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?

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1