Joan determined that the area of the circle below is 400 cm. Melinda says that Joan's solution is incorrect; she believes that the area is 100+ cm? Who is correct and why?
20 cm
59

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.