Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 64
B. 8
C. 
D. 1
Answer: D
Mathematics
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Solve the differential equation.y'' - 2y' - 15y = 0
A. y = C1e3x + C2e-5x B. y = C1e-3x + C2xe5x C. y = e-3x(C1 cos 5x + C2 sin 5x) D. y = C1e-3x + C2e5x
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Find the amount of the sale before sales tax was added. Round to the nearest cent.Total Sale: $67.87Sales Tax Rate: 6%
A. $64.03 B. $63.43 C. $42.42 D. $64.64
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Simplify.3(4 - 10)2 - 2(9 - 11)2
A. 100 B. -100 C. -116 D. 116
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Use a calculator to find the value of the function in degrees. Round to the nearest hundredth when necessary.sin-1 0.9873
A. 85.86° B. 75.86° C. 82.86° D. 80.86°
Mathematics