Nani!? Omae wa mou shindeiru
Answer:
Length: meter
Mass: Kilogram
Volume of a solid: Cubic meter
Volume of a liquid: Liters
Temperature: Degree Celsius
Time: second
The formula for calculating density:

X= 5/mod I think this is the answer
Answer:
octagon (regular)
Step-by-step explanation:
because it has the equal sides 6