Help please ill give brainlist

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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?

Factor the polynomial. b^2 + 4b + 4