Both expressions equal 5 when substituting 2 for x because the expressions are equivalent. Hope this helped :D
Answer:
-18
Explanation:
a - b
a = -7
b = 11
Insert -7 for 'a' and 11 for 'b'
-7 - 11
= -18
Answer:
C
Step-by-step explanation:

Therefore, the correct answer is choice C. Hope this helps!
If the <em>n</em>-th term of the sequence is given by <em>n</em> ² - 2, then the 5th term is obtained by simply replacing <em>n</em> with 5 :
5² - 2 = 25 - 2 = 23
The answer is positive because its is going in the positive column