Which statement best describes the realationship between the numbers divisable by 6, 2 and 3

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 the domain of the following expression: 1/(√x)-2

The function show two sisters' savings account and the rate at which they plan to deposit money