Hopefully this is right :)
Answer:
Yes, it is a rectangle
Step-by-step explanation:
12 ^2 +35^2 =37^2
Question 14 is B and C
Question 15 is D
Question 16 is A
And question 18 is B and D
x^2 - 19 - (17 - x).
<em><u>Distribute -1 to each term of g(x).</u></em>
x^2 - 19 - 17 + x.
<em><u>Replace x with 5.</u></em>
5^2 - 18 - 17 + 5
25 - 18 - 17 + 4
<em><u>Simplify.</u></em>
-6 is your answer.