Which equation represents a line which is parallel to y=0. A) x=-5. B)y=5. C) y=x+3. D)x=-3y

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?