35 points for who ever can solve this question

the distance d a train travels varies directly with the amount of time t that has elapsed sence departure if the train travels 475miles in 9.5 hours how many hours did the train travel in 4 hours

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.

Which expression gives the exact value of 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.