the angelo family is driving from columbus to st. louis at a constant rate of 65 mph. the distance between the 2 cities is 420 miles. write an equation in slope-intercept form to represent the distance y in miles remaining after driving x hours

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.