Simplify the rational expression.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the inequality and graph the solution.-7y ? 21
A. y ? 3
B. y ? -3
C. y ? -3
D. y ? -3
Mathematics
Complete the identity.sin2 x + sin2 x cot2 x = ?
A. 1 B. cot2 x - 1 C. sin2 x + 1 D. cot2 x + 1
Mathematics
Find the Social Security tax and Medicare tax on the annual gross income of a self-employed individual. For a self-employed person, the FICA rate is 12.4% and the Medicare rate is 2.9%. Round to the nearest cent if needed.Drew Laughlin, attorney, earned $53,081.59
A. $6,482.12, $1,439.37 B. $3,291.06, $769.68 C. $6,582.12, $1,539.37 D. $3,291.06, $1,539.37
Mathematics
Factor completely. If the polynomial is prime, say so.25x2 - 80xy + 64y2
A. (8x - 5y)2 B. (8x + 5y)2 C. Prime D. (5x - y)2
Mathematics