Simplify.
A. 
B. 
C. 
D. 1
Answer: A
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Solve the problem.During one year 13 new employees began work at Daniel's Manufacturing Company and 14 employees left. At the beginning of the year there were 398 employees. What was the number of employees at the end of the year?
A. 397 employees B. 371 employees C. 425 employees D. 411 employees
Find an equation for the ellipse described.Focus at (0, -5); vertices at (0, ±7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Graph the system of linear inequalities. Tell whether the graph is bounded or unbounded, and label the corner points.
A. bounded; corner points (3, 0), (0, 3), (6, 0)
B. unbounded; corner points (0, 3), (6, 0)
C. bounded; corner points (0, 0), (0, 3), (3, 0)
D. unbounded; corner points (0, 3), (3, 0)
Find all solutions to the equation. Express the solution in degrees.sin x = - 
A. 45° + 360°n or 315° + 360°n B. 225° + 360°n or 315° + 360°n C. 135° + 360°n or 315° + 360°n D. 240° + 360°n or 300° + 360°n