Solve the problem.Given that P(A) = 0.45, P(B) = 0.49, and P(A ? B) = 0.8, find P(A ? B).
A. 0.66
B. 0.94
C. 0.2205
D. 0.14
Answer: D
Mathematics
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Evaluate the algebraic expression for the indicated variable.-7a2 - 5b + c - 13 for a = 8, b = -3, c = -5
A. -455 B. -451 C. -59 D. -481
Mathematics
Solve the problem.A quality-control inspector examined 250 calculators and found 12 of them to be defective. At this rate, how many defective calculators will there be in a batch of 23,500 calculators?
A. 1128 B. 3000 C. 8 D. 94
Mathematics
Solve the equation.4(y + 5) = 5(y - 6)
A. {-10} B. {-50} C. {10} D. {50}
Mathematics
Simplify the radical.2
A. 40
B. 8
C. 20
D. 4
Mathematics