Use counting to determine the whole number that corresponds to the cardinality of the set.A = {x?x is a day in the week}
A. n(A) = 7
B. n(A) = 5
C. n(A) = 1
D. n(A) = 52
Answer: A
Mathematics
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Use the information in the table to answer the question.
Which category had the least change in 1993?
A. Postage B. Publicity C. Hospitality D. Supplies
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. -1
Mathematics
Provide an appropriate response.Determine AB if AC = 6 cm and BC = 15 cm.
A. 21 cm B. 13.75 cm C. 16.16 cm D. 261 cm
Mathematics
Find the determinant of the given matrix.
A. 28 B. -28 C. 37 D. 63
Mathematics