Abby's cookie is 3 inches in diameter. What is the circumference? Remember to pick the correct formula: 2πr or πd

A.2*π*3=6r

B. πd=π*3=3π

C.πr²=π*1.5*1.5=2.25π

D.πd=π*3*2=6π

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?