Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.sin 2A
A. - 
B. - 
C. 
D. 
Answer: A
Mathematics
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Solve.The length ? of a metal rod used in manufacturing cars must not differ from the standard s by more than 0.7 inches. The manufacturing engineers express this as 
If the standard s is 20.7, solve the inequality for the length ?. Express the answer in set-builder notation.
A. { ? 
}
B. { ? 
}
C. { ? 
}
D. { ? 
}
Mathematics
Answer the question or give an explanation.Name four posting or recording errors that can cause an unbalanced checking account.
What will be an ideal response?
Mathematics
Use the change-of-base formula and a calculator to evaluate each logarithm.log? 100
A. 4.6052 B. 1.1447 C. 4.023 D. 0.2486
Mathematics
Solve the problem.Determine whether (-1, -5, -3) is a solution of the systemx - y + z = -3x + y + z = -9x + y - z = 1
A. No B. Yes
Mathematics