Use the union rule to answer the question.If n(A) = 7, n(B) = 15, and n(A ? B) = 5; what is n(A ? B)?
A. 17
B. 16
C. 22
D. 18
Answer: A
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The boxplot represents a comparison of the annual salaries of a group of public and private employees
Determine the five-number summary and IQR for the salaries of the public employees.
A. Min = $48,000, Q1 = $60,000, Median = $76,000, Q3 = $80,000, Max = $100,000, IQR = $20,000 B. Min = $20,000, Q1 = $40,000, Median = $60,000, Q3 = $72,000, Max = $84,000, IQR = $32,000 C. Min = $40,000, Q1 = $48,000, Median = $60,000, Q3 = $72,000, Max = $80,000, IQR = $24,000 D. Min = $20,000, Q1 = $40,000, Median = $60,000, Q3 = $66,000, Max = $82,000, IQR = $26,000
Factor the trinomials that are perfect-square trinomials. If it is not a perfect square, respond "not a perfect square."x2 + 20x + 100
A. (x - 10)2 B. not a perfect square C. (x + 10)2 D. (x + 10)(x - 10)
Solve.The length of a rectangular room is 9 feet more than the width. The room has a floor area of 532 square feet. Find the length and width of the room.
A. The length is 28 ft, and the width is 19 ft. B. The length is 19 ft, and the width is 10 ft. C. The length is 37 ft, and the width is 28 ft. D. The length is 32 ft, and the width is 23 ft.
Determine whether the ordered pair is a solution of the given linear equation.y = 4x - 6; (-4, -10)
A. yes B. no