For the concentric circles, the outer circle radius is r=6 in while that of the inner circle is r=3 in. find the exact area of the annulus (ring) that is determined by the two circles.

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.