Answer:
b. The greater the number of independent variables measured, the more difficult it is to interpret higher-order interactions.
Answer:
-12 b + 6 c + 18
Step-by-step explanation:
-4 b + 8 c + 12 - 8 b - 2 c + 6
30 x + 15 y
15 (2 x + y)
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None of them because they are all 4 blank