Answer:
40
Step-by-step explanation:
2 •(3(5+2)-1)
2 ·(3(7)-1)
2·(21-1)
2·20
=40
360 is the answer because 90 times 4 is equal to 360
Answer:
the ans is
Step-by-step explanation:
V=πr2h=π·32·6≈169.646
No. This is not random sampling as the students chose are not chosen at random. Random sampling would be something done where each sample has equal probability of being chosen. Clearly this is not random sampling.