Solve.There were 21
yards of wire on a spool. After a customer bought 3
yards of wire from the spool, how many yards were left?
A. 18
yd.
B. 17
yd.
C. 16
yd.
D. 17 yd.
Answer: B
Mathematics
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, using the indicated point in the kth subinterval for ck.f(x) = x2 - 3, [0, 8], right-hand endpoint
A. 
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Express in simplified form. Assume that all variables represent positive real numbers. -
A. -3xy2 + 
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C. 3xy2
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A. 
B. 
C. 
D. 
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