Find the difference.0 - (-14)
A. 28
B. 14
C. 0
D. -14
Answer: B
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Find the midpoint of the line segment joining the two points.(7, 0) and (9, 2)
A. 
B. 
C. 
D. 
Solve the problem.A building 160 feet tall casts a 70 foot long shadow. If a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree)? (Assume the person's eyes are 4 feet above ground level.)
A. 63.34° B. 26.66° C. 66.37° D. 65.83°
Test the graph of the following equation for symmetry with respect to 
the polar axis, and the pole. 
A) The graph is symmetric with respect to
only.
B) The graph is symmetric with respect to the polar axis only.
C) The graph is symmetric with respect to the pole only.
D) The graph is symmetric with respect to all three.
E) The graph has no symmetries.
Simplify. Assume that each variable is nonnegative.
A. 
B. 
C. 
D. 