Х On the midnight shift the number of patients with head trauma in the emergency room has the probability distribution show below:
P(X)
0 0.14
1 0.45
2 0.32
3
0.09
Calculate the mean number of patients with head trauma

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.

the answer to your question is minor arc.

if the angular bisector of an triangle bisects the opposite side, prove that the other two sides are equal.