Answer:
C) x=6...
Step-by-step explanation:
hope this helps...
I am guessing that y = 300.
Hope this helps
Happy Holidays.
For sake of convenience, reverse the series, then it would be:
21,19,17.....7
a=21, d = -2,
s(4) = 4/2 (21+15)
s(4)=2(36)
s(4) = 72
Only letter a has an answer. Pls. see attachment.<em>
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The probability that one cubic meter of discharge contains at least 8 organisms is 0.7798