Answer:
C
Step-by-step explanation:
As the number of safety classes goes up, the number of accidents goes down, according to the given negative correlation. A and D are completely unrelated, and B is only loosely correlated. Therefore, C is the best answer.
I think its C
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((8 x 10) x 3) + ((9 x 8)/2) x2 = (80 x 3) + (72/2) x 2 = 240 + (36 x 2) = 240 + 72 = 312
