Answer:
B. 162
Step-by-step explanation:
Area= 7*6*2+3*6*2+3*7*2=84+36+42=162ft^2
E and pi are 2 famous examples
Let the width be x
Length= x+7
Area=lw
99=(x+7)(x)
99=x²+7x
0=x²+7x-99
x= -14.04 or x=7.04
Since a length cannot be negative, the width is 7.04 ft and the length (7.04+7)=14.07 ft
Hope I helped :)