Rewrite as a radical expression and simplify if possible. Assume all variables represent nonnegative real numbers.(16x8y4) 1/2
A. 4x8y2
B. x4y2
C. 4x4y
D. 4x4y2
Answer: D
Mathematics
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Solve the equation in the interval [0°, 360°). Give solutions to the nearest tenth, if necessary.sin2? - sin ? - 12 = 0
A. {45°, 135°} B. {45°, 315°} C. {45°} D. ?
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Use a half-angle formula to find the exact value of the expression.sin 
A. - 
B. 
C. - 
D. 
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Solve the problem. Use 3.14 for ?.A rubber ice-hockey puck has a 3.1 in. diameter. What is the surface area of one flat side of the puck?
A. 9.734 in.2 B. 7.54385 in.2 C. 30.1754 in.2 D. 3.77193 in.2
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Provide an appropriate response.If the point (a, b) is in the fourth quadrant, in what quadrant is (a, -b)?
A. II B. I C. IV D. III
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