Which of the following equations represents the line that is graphed on the coordinate grid below ?

Answer this question, only if you know the answer. 30 points and brainliest!

What is the base of 1/9 to the power of 2

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?