Write a differential equation that describes the rate of change of the indicated quantity.The annual sales y of a company are increasing at a rate of $150,000 per year.
A. 
= -150,000
B. 
= 150,000
C. 
= 150,000t
D. 
= -150,000t
Answer: B
Mathematics
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Express the given complex number in polar form.5.021e3.180j
A. 5.021 ( cos 287.68° + j sin 287.68°) B. 3.180 ( cos 182.20° + j sin 182.20°) C. 5.021 ( cos 182.20° + j sin 182.20°) D. 3.180 ( cos 287.68° + j sin 287.68°)
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Multiply.
A. 
B. - 
C. 
D. - 
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The graph shows sales in thousands of dollars for 1989 and 1990. Use it to answer the question. 
Which month in 2007 had the highest sales?
A. Month 12 B. Month 3 C. Month 5 D. Month 6
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Find the square root.
A. 15 B. 112.5 C. 50,625 D. -15
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