There are 27 children in the class.
18 divided by two equals 9
9 times 3 is 27
M= 2.5 + 3n ggujbgujbgygg
Answer:
Answer A
Step-by-step explanation:
Angle A = 180 - 26 - 90 (90 right angle)
The cosine of an angle is equal to the ratio of the adjacent side to the hypotenuse.
cos
(
A)=
adj/hyp
Cos (26) = a / 13
a = 13* Cos (26)
a= 11.7
Find the last side of the triangle using the Pythagorean theorem.

I am mostly sure it's b. Good luck! :3