In the expression 7g + 15, g is the
O coefficient
O variable
constant
operation

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Answer this 30 points and brainliest!

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?