Solve the problem.Given that P(A) = 0.44, P(B) = 0.47, and P(A ? B) = 0.71, find P(A ? B).
A. 0.20
B. 0.91
C. 0.2068
D. 0.51
Answer: A
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Round the number to the place value indicated.6619
A. 7100 B. 8000 C. 6890 D. 7000
Decide if the set of ordered pairs does or does not represent a function.{(3, -9), (3, -1), (4, 8), (8, 9), (11, -5)}
A. Yes B. No
Use properties of logarithms to write each expression as a single logarithm. Assume that variables represent positive real numbers, with base ? 1.5loga t - loga s
A. loga t5 ÷ loga s
B. loga
C. loga(t5 - s)
D. loga
Solve using the simplex method.Find x1 ? 0, x2 ? 0, x3 ? 0 such that x1 + 3x2 + 2x3 ? 60 x1 + 2x2 + 3x3 ? 36and z = 4x1 + 3x2 + 2x3 is maximized.
A. x1 = 50, x2 = 5, x3 = 0, z = 215 B. x3 = 30, x1 = 0, x2 = 0, z = 60 C. x1 = 60, x2 = 0, x3 = 0, z = 240 D. x2 = 20, x1 = 0, x3 = 0, z = 60