Will give brainliest if you help me

The circumference of a circle is 5 pi cm. what is the area of the circle?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !