The difference of the blue crab population From 1990-1997, the average was (800+750)/2 = 775; and from 1989-2009: (350+350)/2 = 350. I predict that from 2010 to 2020 the population will increase to about 500 because it seems to go on trends of increasing and decreasing.
Answer: c= -4.7
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Answer:25y=-50+80
25y=30
y=30/25
y=6/5....this is ur answer
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0,006 I assume.
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The regular pentagonal pyramid has a base that is a regular pentagon and lateral faces that are equilateral triangles.
