3. A person is standing 8 ft away from a point on the ground. The base of a tree is 16 ft away from the person. Given that the person is 5 ft tall and the person and the tree are perpendicular to
the ground, how tall is the tree?
Hel

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244