Solve the problem.A man has 3 shirts and 7 ties. How many different shirt and tie arrangements can he wear?
A. 42
B. 49
C. 9
D. 21
Answer: D
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Find, if possible, the number of elements in sets A, B, and C using the given information.n(A - C) = 10n(C - A) = 3n(A ? B) = 8n(C ? A) = 8n(C ? B) = 6n(B - A) = 8n(A ? B ? C) = 4
A. n(A) = 11, n(B) = 27, n(C) = 18 B. n(A) = 22, n(B) = 20, n(C) = 15 C. n(A) = 18, n(B) = 16, n(C) = 11 D. The information is inconsistent or incomplete.
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Four players (Alli, Blake, Corey, and Devin) are sharing a cake. Suppose that the cake is divided into four slices s1, s2, s3, and s4.To Devin, s1 is worth $2.70, s3 is worth $3.90, s2 and s4 have equal value, and the entire cake is worth $14.00. Determine which of the four slices are fair shares to Devin.
A. s2, s3, and s4 B. s1 and s2 C. s2 and s4 D. s1, s3, and s4 E. s3 and s4
Solve the absolute value inequality. Write the solution set using interval notation.
< 3
A. (-2.2, 3.8) B. (-?, -2.2) ? (3.8, ?) C. (-3.8, 2.2) D. (-?, -3.8) ? (2.2, ?)