Given that ∠AOB and ∠BOC are complementary and the measure of ∠BOC is 10° less than three times the measure of ∠AOB. What is the measure of ∠AOB?

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?

What statement is true? 2x^2-9x+2=-1

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).