Equations on saturday, you spend $33, give $15 to a friend, and receive $20 for mowing your neighbor's lawn. you have $21 left. use two methods to find how much money you started with that day.

explain.

When a 757 passenger jet begins its descent to the ronald reagan national airport in washington, d.c., it is 3900 feet from the ground. its angle of descent is 6 degrees. how far must the plane fly to reach the run way? a. 37,106 ft b. 37,310.4 ft c. 23,456.6 ft d 2,492.7 ft