Please help me ❤️❤️❤️❤️

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

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

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5