Solve the problem.If n(A) = 27, n(B) = 42, and n(A ? B) = 4, find n(A ? B).
A. 61
B. 69
C. 73
D. 65
Answer: D
Mathematics
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First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.38
- 25
A. 11
B. 13
C. 12
D. 12
Mathematics
Factor.x2 - 11x + 18
A. prime B. (x + 9)(x + 1) C. (x + 9)(x - 2) D. (x - 9)(x - 2)
Mathematics
Simplify the expression involving rational exponents.271/3
A. 243 B. 81 C. 9 D. 3
Mathematics
Write the solution set to the inequality in interval notation.x > 22
A. (22, ?) B. (-?, 22) C. [22, ?) D. (-?, 22]
Mathematics