Answer variants:
345
338
7
196
9
6
343
If the total surface area of a Rubik's cube is 294 \(cm^2\), then find its edge and volume.
 
Marco Rubino   Shutterstock.com.jpg
 
Edge of the Rubik's cube \(=\)
 \(cm\)
 
Volume of the Rubik's cube \(=\)
 \(cm^3\)
Reference:
https://www.shutterstock.com/image-photo/rome-circa-february-2013-example-successfully-1092574646 - Photography by Marco Rubino