What are u trying to ask the number of boys or girls or both?
The first option reduces to 1 and the second one reduces to -1.
Answer:
C
Step-by-step explanation:
x is the exterior angle of angle EFG while EFG = 180 - 62 - 43 = 75
—> x = 180 - 75 = 105
It states that a(b + c) = ab + ac
