Solve the problem.The regular price of a ring is $912.50. During a May jewelry sale, the ring was discounted 45%. What was the sale price of the ring?
A. $409.63
B. $410.62
C. $500.88
D. $501.88
Answer: D
Mathematics
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Add or subtract as indicated. Write your answer in the form a + bi.[(4 + 3i) - (5 + 6i)] - (10 - 7i)
A. 19 + 4i B. -11 + 2i C. -11 + 4i D. 19 + 2i
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Solve the equation.4 ? n = 72
A. n = 21 B. n = 19 C. n = 18 D. n = 20
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Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x3 + 2x2 - x - 2 > 0 
A. (-?, - 1) ? (1, 2)
B. (-?, - 2) ? (-1, 1)
C. (- 2, -1) ? (1, ?)
D. (-1, 1) ? (2, ?)
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Identify and graph the polar equation.r = 5 - 4 cos ? 
A. 
limacon without inner loop
B. 
limacon with inner loop
C. 
limacon with inner loop
D. 
limacon without inner loop
Mathematics