By the inclusion/exclusion principle,
n(J ∩ K) = n(J) + n(K) - n(J U K)
n(J ∩ K) = 285 + 197 - 431
n(J ∩ K) = 51
Pretty sure it’s the last one
Answer:
first one ( x ≥ -12)
Step-by-step explanation:
when you divide by -12 for both sides, the inequality reverses as the value is negative.
Step-by-step explanation:
hope it helps
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