To much work complete the page and well well give you all of my point

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?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)