D. 1/4
Explanation:
a perfect square is written in the form
(1)
In our problem, we have this perfect square:
(2)
with C being unknown. However, by comparing (1) and (2), we know that

So, we find

and therefore, the missing term must be

so the complete square is

Answer:
Does the answer help you?
Answer:
26 degrees
Step-by-step explanation:
90-64=26
Hope this helps!
The answer is A. You can solve this by plugging the X values from the table into the equation and seeing if you end up with the right Y value.