Acoin is tossed 20 times. the outcomes h (for heads) and t (for tails) are recorded:

h t h t t t t h h t t h h t t t h h h t

what is the experimental probability of getting tails (t)?
0.45
0.55
0.65
0.8

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