Ejercicios combinados: 1) 215 - 8 * 4 + 15 * 6 =

2) 100 : 10 + 82 * 5 - 407 =

3) 92 : 2 - 4 * 5 - 8 * 3 =

¿alguien que me pueda ayudar?

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