I don’t really understand someone help me pls

How many solutions does the nonlinear system of equations graphed below have?

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

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