Complete data chart. a 85, 65, 95, 100, 90, 95, 86
b 180, 165, 160, 171, 173, 165
C 120, 130, 160, 120, 150, 160

A:

Mean - 66 Median - 90 Mode - 95 Range - 45

B:

Mean - 169 Median - 168 Mode - 165 Range - 20

C:

Mean - 140 Median - 140 Mode - 120 & 160 Range - 40

what is the question? i am guessing you are looking for the area.

to find an area, you have to do length x width.

in this case, it would be 12 ft x 4 ft = 48 sq. ft