Which graph shows a linear function?

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?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Find the slope of the line passing through a pair of points