To get p - 9, subtract p2 + 3 from p2 + p - 6.
The standard error of the mean is 128.125.
The formula for standard error is:

With our information, we have:
This may help:There are

gallons of lemonade.
Two friends share the lemonade.
What fraction of the lemonade does each friend receive?
To solve you do kcf or keep change flip.
You keep

and change division to multiplication.
Then

is changed to

<span>The answer would be </span>

Hope That Helps!
1.75
4 x 1.75 = 7 so that is the answer