B Is the first one and I think 10 is A
Answer:
1660.75 square feet
Step-by-step explanation.
Width=<em>x</em>
Length =<em>x</em>+9
(<em>(</em><em>x</em><em>)</em><em>+</em><em>(</em><em>x</em><em>+</em><em>9</em><em>)</em>)×2=182 feet
(2x+9)×2=182
18+4x=164
x=36.5
Width=36.5 feet
Length=45.5 feet
Area=36.5×45.5
=1660.75 square feet
6
25
49
256
1000
512
59049
512
81
2401
No sure sorry i just need my question answered have a good day:)