Use the information below to determine the cardinality of the set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}n(A' ? B ? C)
A. 0
B. 2
C. 1
D. 3
Answer: C
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Translate the situation into mathematical language. You need not actually solve the problem.A television set is on sale for $442. This is 45% off of the original price. What was the original price?
A. Let p be the original price; 442 = 0.55p B. Let p be the original price; p = 0.55(442) C. Let p be the original price; p = 0.45(442) D. Let p be the original price; 442 = 0.45p
Solve the problem.Two angles are complementary (meaning that the sum of their measures is 90°) and the sum of twice one angle plus the other is 120°. Find the measure of each angle.
A. 30°, 60° B. 41°, 38° C. 35°, 55° D. 30°, 150°
Simplify.
? 
A. -26 B. -25 C. -13 D. 28
Find all rational zeros.f(x) = x4 - 6x3 + 2x2 + 18x - 15
A. {5, 1} B. {-5, 1} C. {5, -1} D. No rational zeros