If option A is 20 dollar payment and option B requires 50 dollar. the opportunity cost of option A would be and option B would be . a) nothing and 30 dollar
b) 70 dollar and nothing.
c) 30dollars and nothing.

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