How are equivalent fractions used in renaming when subtracting?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

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 is an example of conditional probability