The first one is fraction and the second one is volume.
343 is a cube root of 7. Its surface area is 7
-4m-8=-8-4m
+4 +4
__________
-8=-8
or
1=1
The answer is 63.05
Tip-search it up
#3. Plugging the point (3,0) into any of the equations except the third one gives an invalid answer.
