What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Math i have no idea how to do a and b

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.