Answer:
60 ft³
Step-by-step explanation:
2 x 3 x 4 = 24
3 x 3 x (6-2) = 36
24 + 36 = 60
hope this helps :)
That's a vertical line, no slope, so no y=something.
Answer: x = -9
The cube has 6 this same faces.
Therefore the surface area is equal 6 · 7cm² = 42cm²
