Solve the problem.The area of a parallelogram with sides a and b and the included angle ? can be found using the formula 
Determine the angle between the two sides if A = 37.5 in.2, a = 9.42 in., and b = 6.14 in.
A. 0.705 rad
B. 0.604 rad
C. 0.011 rad
D. 0.648 rad
Answer: A
Mathematics
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Express the number in decimal notation.4.57 × 10-4
A. 0.0000457 B. 0.000457 C. 0.00457 D. -457,000
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Express the number in exponential form.4.46(cos 117.4° + j sin 117.4° )
A. 4.46e117.4j B. 117.4e4.46j C. 4.46e2.05j D. 2.05e4.46j
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Use the table below to write the traditional Chinese numeral as a Hindu-Arabic numeral.
A. 21,637 B. 261,637 C. 2637 D. 2367
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006
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