Can someone help me please?

What is the sum of these mixed numbers 4 2/3+ 3 1/9

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

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2