There are 115 seat in a movie theater there are 5 seat in each row there are 50 people seated filling up rows of seat how many rows are empty

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What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

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