The sum of three consecutive numbers is 84. What is the largest of these numbers? 26
27
28
29

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab