Pete ate 4/9 of a pizza. if the pizza was cut into 18 slices, how many slices did pete eat?

These question are hard can you me with answers

Two numbers have a sum of -19. one number is x. what expression represents the other number?

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.