Express the set using the roster method. the set of odd natural numbers less than 21
A. {2, 4, 6, . . . , 20}
B. {1, 3, 5, . . . , 19}
C. {0, 1, 3, 5, . . . , 19}
D. {1, 3, 5, . . . , 21}
Answer: B
Mathematics
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A. r ? ~(s ? t) B. (r ? s) ? t C. r ? (s ? t) D. r ? (s ? t)
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A. millions 000 thousands 12 ones 57 B. millions 12 thousands 000 ones 157 C. millions 1 thousands 0 ones 7 D. millions 12 thousands 000 ones 7
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A. 30
B. 3
C. 
D. 
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Find the angle ? between the vectors.
?
?
?
(Round the answer to 2 decimal places.)
?
A. 
B. 
C. 
D. 
E. 
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