Solve the problem.In the adjoining figure, AOB is a line. Find the measure of each marked angle. 
A. 158°, 22°
B. 80°, 55°
C. 83°, 57°
D. 86°, 59°
Answer: D
Mathematics
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Identify the equation without applying a rotation of axes.2x2 + 6xy + 9y2 + 2x - 3y + 1 = 0
A. ellipse B. hyperbola C. parabola D. not a conic
Mathematics
Divide and write the result in standard form.
A. 
+ 
i
B. 
- 
i
C. 
- 
i
D. 
+ 
i
Mathematics
Fill in the table to solve the problem.
A. amount of rain: 5.9 in.; rain per day: 0.6 in. B. amount of rain: 5.9 in.; rain per day: 0.3 in. C. amount of rain: 4.3 in.; rain per day: 30.1 in. D. amount of rain: 4.3 in.; rain per day: 0.6 in.
Mathematics
Graph the solution set to the inequality.x + 5y ? 6
A. 
B. 
C. 
D. 
Mathematics