There is a small island in the middle of a 100m wide river. There is a tall tree on island. Points P and Q are points directly opposite each other on the two banks, and in line with the tree. If the angles of elevation of the top of the tree at P and Q are 30° and 45°, find the height of the tree. (A) 25.5 m (B) 36.6 m (C) 45.6 m (D) 35.5 m

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.