Use the given information to find the quadrant in which ? lies.cot ? > 0 and sin ? < 0
A. Quadrant III
B. Quadrant II
C. Quadrant I
D. Quadrant IV
Answer: A
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Identify the number as prime, composite, or neither.132
A. Composite B. Neither C. Prime
Solve by the method of elimination by substitution.3x + 2y = 93x + 2y = 5
A. x = 3, y = 2 B. x = 1, y = 1 C. Dependent D. Inconsistent
Express the area of the region bounded by the given line(s) and/or curve(s) as an iterated double integral.The coordinate axes and the line 
A. 
B. 
C. 
D. 
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 
A. 3.19 B. 3.81 C. 2.81 D. 2.19