Answer:
89
Step-by-step explanation:
Plug 9 into the equation;


The conclusion is valid
it is a systematic random sample
and the second one is a line graph (I think)
Answer:
Hexagonal prism
Step-by-step explanation:
Since the base is a hexagon (six sided shape) and there are two of them, it is considered a prism. This is an Hexagonal prism.
Do not confuse it with hexagonal pyramid because:
1) It does not look like a pyramid
2) It only has one base