9 hour is the answer hope it helps
Answer:
42
Step-by-step explanation:
6x7=42
It would be mark N? I think
Sum = 20(1-(1/4)^5) / (1-1/4) = 26.64
A prism is rectangular shaped,. a pyramid is triangular shaped.
The ratio would be 1 to 3
The formula for the pyramid is V = 1/3Bh
