solve with explanation

1.9 Applications and Models HAPPYWORK 1. A tiny alien is standing on top of the Eiffel Tower in Paris threatening to destroy the entire city! Luckily, Agent K and Agent J of the Men in Black are on the case. They are standing across the street, 54 meters away from the tower with their laser guns aimed at the alien. If the Eiffel Tower is 324 meters tall, at what angle should they aim their lasers in order to hit the alien? 2. A car drives 7 miles down a hill with a 3.5 decreasing grade. What is the horizontal distance traveled by the car during that time? 3. A passenger in an airplane flying at an altitude of 10 kilometers sees two towns directly east of the plane. The angles of depression to the towns are 280 and 550. How far apart are the towns