Answer:
42 square yards
Step-by-step explanation:
T.S.A of cube

where l = 7yd

thus, the surface area of cube is 42 square yards
Answer:
Expand the polynomial using the FOIL method.
a
^2
+
a
−
6
Hope This Helps! Have A Nice Day!!
Yes, it is definitely possible that their surface areas be unequal.