Which value is included in the situation set for the inequality graphed on the number line?

What is the quadric regression equation that fits these data

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?

Which of the following shows the length of the third side, in inches, of the triangle below