River c is 400 miles longer than river d. if the sum of their lengths is 5 comma 520 miles, what is the length of each river?

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

A(t)=728(1+0.04)^t how much money did aditya originally invest

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?