Please, please, please help.

Solve for x.

x = In 1

x = (what?)

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

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?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*