you do the opposite:
520/8=70
70*12=840.
she is thinking of the number 840
Answer:
When randomly selecting an adult, A denotes the event of selecting someone with blue eyes. What do P(A) and P([math] \overline A [/math]) represent?
Step-by-step explanation:
What they mean by dash is that can yu cut it up and have the sides still be equal
we have

Step 
Let
y=f(x)

Exchange the variable x for y and variable y for x

Clear variable y
Multiply by
both sides


Let


therefore
the answer is
the inverse of the function is 
the missing value is 