To find the length of each side 72/4
Each side is 18
So area is 18 times 18= 324
I believe that 7 5/4 is the answer.
The Answer is B Because 50 x 3 = 150... Weird Pic thou
She should use Mean. That is when you add together all of the numbers, then divide by the number of numbers. Her average grade is 80.75, or rounded it is 81.