At a certain movie theater, there are 16 rows and each row has either 20 or 24 seats. if the total number of seats in all 16 rows is 348, how many rows have 24 seats?

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