A i need another one, this ones different though. Given: f(x)= 2x + 8 and g(x)= x - 7
Find h(x)= f(x) - g(x)

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.