The factored form of the expression
is 
The expression x^2 + 9 has no real roots hence cannot be factored
Quadratic equations are equations with a degree of 2.
Given the quadratic function 
For the function 

Using the difference of two squares:

For the expression x^2 + 9
The expression x^2 + 9 has no real roots hence cannot be factored
Learn more on factorization here: brainly.com/question/20293447
Answer:

Step-by-step explanation:
Midpoint formula is
---------------(1)
Here

Substituting values in equation (1)


Answer:
3150 feet for both
Step-by-step explanation:
correct?
The third one: No, yes, no