The size of a computer monitor is the length of its diagonal. Find the ratio of the area of a 21” monitor to that day f a 15” monitor, assuming their dimensions are proportional

1. what is the measure of ∠abc? what is the measure of ∠abd?

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?

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?