Answer
C.
[tex]\frac{9}{49}units^2[/tex]
D.
[tex]\frac{121}{64}inches^2[/tex]
Explanation
The area of a square is found by multiplying side by side, which corresponds to squaring because all sides of the square are equal, so:
[tex]\frac{3}{7}\cdot\frac{3}{7}=\frac{9}{49}[/tex]
And
[tex]\frac{11}{8}\cdot\frac{11}{8}=\frac{121}{64}[/tex]
