Robyn has 4 bags of 22 buttons and 1 bag of 17 buttons. Round the number of buttons in each bag to the nearest ten. Find the approximate number of buttons she has, and plot this value on the number line

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