Im really confused on this and i need it done in less than 10 minutes please help

Which of the following shows the length of the third side, in inches, of the triangle below

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.

Match the one-to-one functions with their inverse functions.