Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 
B. 11
C. 
D. 
Answer: C
Mathematics
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Find the length of the curve.The spiral r = 5?2, 0 ? ? ? 2
A. 
B. 80?5
C. 
((?2 + 1)3/2 - 1)
D. 720
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Identify the graph of the equation as a parabola, circle, ellipse, or hyperbola.x2 - y2 = 36
A. Ellipse B. Parabola C. Hyperbola D. Circle
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Simplify the rational expression.
A. 
B. - 
C. 
D. 
Mathematics
Solve the problem.A 17-kilometer roadway under construction is being completed at a pace of one-tenth of its length per week. After 3 weeks, how many meters remain to be completed?
A. 11.9 m B. 1190 m C. 119 m D. 11,900 m
Mathematics