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?

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m