PLEASE HELP

Abby is making a model of a house. The front
piece of the roof is shown below.
What is the area of the front piece of the roof?
A 24 cm2
B 21 cm2
C 20 cm2
D 12 cm2

What’s the answer ? use the picture to see the problem

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

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm