(1 point) an airplane, flying at 500 km/hr at a constant altitude of 5 km is approaching a camera mounted on the ground. let θθ be the angle of elevation above the ground at which the camera is pointed. when this angle is equal to π/4π/4, how many radians per hour is the rate of change for the camera's angle? give your answer in radians/hr.

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?

The room above is shaped like a rectangle and has a perimeter of 34 feet. if the room is 11 feet long, how wide is it?