Write the imaginary number in terms of i.
A. 4i
B. 4
C. -4i
D. -4
Answer: A
Mathematics
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Use the vertical line test to determine whether or not the graph is a graph of a function.
A. function B. not a function
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Evaluate the expression.
A. 8593 B. 8568 C. 8583 D. 8540
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Solve. Remember to insert units when writing your answer.The sediment on the bottom of a creek is normally 16 cm thick, but a recent flood washed away 
of sediment. How thick is it now?
A. 4 cm B. 148 cm C. 14.8 cm D. 15.88 cm
Mathematics
Simplify.
A. 77s2t
B. 
C. 
D. 
Mathematics