A sphere with diameter of 12 cm is being painted. How much more paint is now needed to paint the sphere that has four times the original diameter. 4 times more paint
B 8 times more paint
16 times more paint
D 64 times more paint

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