2) To find the height of a tree, Darren measures the shadow of a metre stick to be 90cm and
the shadow of the tree to be 3.2m. Draw a diagram to represent the situation. How tall is
the tree?

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