Solve the problem.One year ago, Tony and May bought a house. Today it is valued at $152,544, down 5% from the amount they paid. How much did they pay for the house?
A. $160,573
B. $160,473
C. $160,563
D. $161,573
Answer: A
Mathematics
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Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.x-8 x4
A. x4
B. 
C. -x4
D. - 
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Solve the problem.Add (6x3 - 3x + 11) to the sum of (x2 - 6x - 3) and 
A. 7x3 + x2 - 6x + 9 B. 8x3 - 6x + 9 C. 7x3 + 4x2 - 9x + 9 D. 7x3 + x2 - 6x + 8
Mathematics
Complete the identity.sin 
cos 
= ?
A. 
cos ?
B. 
C. 
D. 
sin ?
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Solve the inequality. Give the solution set in both interval and graph forms.9x + 8 ? -37 and 6x + 7 ? 25
A. (-?, -5] ? [3, ?)
B. [3, ?)
C. [-5, ?)
D. [-5, 3]
Mathematics