Answer and Step-by-step explanation:
Simply use the Pythagorean Theorem to solve.
The Pythagorean Theorem is used to solve for a side in right triangles.

<u>Plug the sides values into the equation.</u>
<- This is the answer.
<em><u>#teamtrees #PAW (Plant And Water)</u></em>
Answer:
4
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
I am pretty sure this is your correct answer because you just switch the order
Answer: 7a^2+2a+7
Step-by-step explanation:Distribute the Negative Sign:
=9a2+7a+8+−1(2a2+5a+1)
=9a2+7a+8+−1(2a2)+−1(5a)+(−1)(1)
=9a2+7a+8+−2a2+−5a+−1
Combine Like Terms:
=9a2+7a+8+−2a2+−5a+−1
=(9a2+−2a2)+(7a+−5a)+(8+−1)
=7a2+2a+7