Please help the best that you can!!

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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?