Answer:
C)
Step-by-step explanation:
By the cos double angle formula, we know Substituting into the formula, we get
.
The answer is C.
The answer is choice C
Plane D(choice C) because choice a and b are not lines(one letter cannot be a line and PBC and not connected). It's not d because e isn't a point
Answer:
7.6
Step-by-step explanation:
I know math!!!!!!!!!!
Answer:
there are 36 girls
Step-by-step explanation:
ratio is 3 to 4
Answer:
50 boys
Step-by-step explanation:
2/4 = 1/2
25*2=50