12. Marcos earns $8.75 per hour. He is planning on asking the boss for an hourly raise increase to cover the annual cost of inflation. How much of an increase per hour should he ask for?

Can some one me with this math problem?

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

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?