Use a Venn diagram to find the indicated probability.If P(A ? B) = 0.63, P(A) = 0.37, and P(A ? B) = 0.16, find P(B).
A. 0.49
B. 0.42
C. 0.34
D. 0.55
Answer: B
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Factor.mn2 - 36m - 6n2 + 216
A. (m - 6)(n + 6)(n - 6) B. (mn + 6)(n - 6) C. (m - 6)(n - 6) D. (mn - 6)(n + 6m)(n + 6m)
Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.x = -(y + 4)2 + 8
A. (16, -8), right B. (-4, 8), left C. (8, -4), left D. (8, -4), right
Solve the system of equations algebraically for real values of x and y.
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Please enter your answer as an ordered pair in the form (x, y).
What will be an ideal response?
Solve the problem.A family began keeping track of what percent of their monthy income they are spending on leisure activities. The following chart shows the results for the first seven months of the year. 
In which month(s) did the percent decrease from the previous month?
A. January B. June, July C. June D. May