A manned glider is launched horizontally from a height of 100 feet. While in flight, its height above the ground in feet is given by the function h(t) = −2t + 100, where t is time
in seconds. Find h(20).

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.