Find the quotient. Write the answer in standard form.
A. 9
B. -9
C. -9i
D. 9i
Answer: C
Mathematics
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Solve the exponential equation.5(9 - 3x) = 125
A. -2 B. 2 C. 3 D. 25
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Find the mean.99, 105, 89, 101, 86
A. 96 B. 99 C. 80 D. 105
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Convert to radian measure. Round to two decimal places.-284.1°
A. -4.96 B. -4.95 C. -4.67 D. -4.68
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Write the expression as the cosine of an angle, knowing that the expression is the right side of the formula for 
with particular values for ? and ?.cos (170°) cos (50°) + sin (170°) sin (50°)
A. cos (220°) B. cos (190°) C. cos (210°) D. cos (120°)
Mathematics