Given points x (-2,-4) y (2,4) and z (2,6), find xy, yz and xz and use distance formula to show that triangle xyz is a triangle

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?

Can someone me with the property questions for 12 13 and 14 plz

The radius of a sphere is 3 inches. which represents the volume of the sphere?