Liz can paint a house in 13 hours. Carlos can paint the same house in 11 hours. How long would it take to work together? 5 hours and 40 min
5 hours and 13 min
5 hours and 22 min
5 hours and 58 min

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