Answer:
A
Step-by-step explanation:
49y² - x² ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , then
49y² - x²
= (7y)² - x²
= (7y - x )(7y + x) → A
C. No Association
This is because there is no definitive line in the graph or upwards or downwards trend
The answer is 5.196152423
Since - x^2=27
X=square root of 27
=5.196152423