Please help m In order to find the height of the tower shown, the surveyors measure the angles of elevation
from two points, A and B.
a) Calculate the distance Bo to a suitable level or accuracy, explain your answer.
b) Use your answer to calculate the height of the tower CD.

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