Jennifer claims that the solution to 3(3x + 9) - 2x = 4x is x = -9. She shows the work below to justify her claim. Select all the justifications that are correct.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

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?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c