Simplify.i40
A. i
B. -i
C. 1
D. -1
Answer: C
Mathematics
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = 8e?(sin ? - cos ?)
A. 0 B. 16e?(sin ? - cos ?) C. 8e?(sin ? - cos ?) + 8e? D. 16e? sin ?
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Perform the indicated operation.9 tons 506 lb - 4 tons 871 lb
A. 5 tons 1635 lb B. 5 tons 365 lb C. 4 tons 1635 lb D. 13 tons 1377 lb
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Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 
B. 
C. 
D. 
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Solve the absolute value equation.|7x + 6| = 7
A. 
, - 
B. ?
C. - 
, 
D. 
, - 
Mathematics