Divide and answer in simplest form 1/5 divided by 7= 35 1/35 5/7 7/5 plz m

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

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?

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain