Sam is dead, im sorry to have to tell you over line, i love you mom
With love,
Mike
Assuming f(x) is the cost and X is the number of months.
f(x)=2x+40
The following that is not a congruence transformation is A, stretching.
So we are given the expression:
÷ 
When we divide fractions, we must flip the second term and change the sign to multiplication:

And then we multiply across:

Then we can break apart all of the like variables for simplification:

When we simplify variables through division, we subtract the exponent of the numerator from the exponent of the denominator. So we then have:



So then we multiply all of these simplified parts together:

So now we know that the simplified form of the initial expression is:
.
Answer:
(
7
n+
3
) (
n
+
7
)
Step-by-step explanation:
factor by grouping