The answer to the question I believe is 3.
There are different formulas for calculating the two types of compound events: Say A and B are two events, then for mutually exclusive events: P(A or B) = P (A) + P(B). For mutually inclusive events, P (A or B) = P(A) + P(B) - P(A and B).
Answer:
y=-6x/square root (4x^2-160
Step-by-step explanation:
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Eccentricity = foci / half the length of the major axis
= 3.5 / 14 = 1/4