Answer:
80%
Step-by-step explanation:
So you basically, just make it a ratio. Since a percentage is out of 100, just make the 5 into 100. To get 5 to 100, you times 20. Then you do the same thing to the 4 which you get 80.
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:
the quadratic function should be as follows:

Now let's confirm that the zeros of the function are 0 and 8

Therefore we can see that if x = 0

the equation is fulfilled
And we also have 
for this expresion to be equal to zero:

thus, if x = 8

the equation is also fulfilled
The zeros of the quadratic function
are 0 and 8.
Answer: F
Step-by-step explanation:
Because it’s F
Answer:

Step-by-step explanation:
So we have:

And we want to solve for π.
First, divide both sides by h:

Now, divide both sides again by r²:

And this is our answer :)