Solve the problem.The number of edges in a tree with 49 vertices is
A. 249.
B. 48.
C. 49.
D. 50.
E. none of these
Answer: B
Mathematics
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Sketch the given exponential curve.y = 
x
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.
Elbows are used to form bends in rigid pipe and are measured in degrees. What is the angle of bend of the elbow in the installation shown to the nearest whole degree? 
A. 41° B. 53° C. 49° D. 37°
Mathematics
Find the requested angle.What is the measure of an angle whose measure is nine times its supplement?
A. 159° B. 165° C. 180° D. 162°
Mathematics
Solve. Remember to insert units when writing your answer.Joel is 1.84 m tall and his father is 32 mm shorter. How tall is Joel's father?
A. 1.808 m B. 1.872 m C. 1.8368 m D. 1.52 m
Mathematics