C: 60 children because 60 cannont go into 9 which is the amount of children in the first ratio
Answer:

( 1 = sin² + cos²)
Step-by-step explanation:
Site vandal. Do not answer.
Because vertical angles always equal each other. linear pairs always equals 180 degrees always. hope this helps :)
Answer: 1/3 (x + 6)
Explanation: given f(x) = 3x - 6.
Let y = f(x) and so y = 3x - 6.
Trade places between x and y.
x = 3y - 6
Solve for y
x + 6 = 3y
y = x + 6/3
Now the new y is the inverse and so y = f-1(x)
f-1(x) = 1/3(x + 6)