Let U = {1, 2, 4, 5, a, b, c, d, e}. Find the complement of the set.C = {1, 2, 5, b, d}
A. {4, a, c, e}
B. {3, 4, a, c, e}
C. {3, 4, a, b, c, e}
D. {4, a, b, c, e}
Answer: A
Mathematics
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Factor the trinomial by grouping.
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Mathematics
Solve.How many different ways can a president, vice-president, secretary, and treasurer be chosen from a club with 8 members?
A. 24 B. 70 C. 32 D. 1680
Mathematics
Solve the equation.x4 - 5x2 - 36 = 0
A. {3, -3, 2i, -2i} B. {3i, -3i, 2i, -2i} C. {2, -2, 3i, -3i} D. {3, -3, 2, -2}
Mathematics
The sides in the pair of figures are proportional. Find the missing length or lengths.
A. x = 3; y = 6; z = 4 B. x = 2; y = 6; z = 3 C. x = 1.5; y = 7; z = 3.5 D. x = 2.4; y = 6.4; z = 4
Mathematics