Solve the problem.A section of roller coaster track has the dimensions shown in the diagram. Find the grade of the track, written as a percent. 
A. 7.59%
B. 33%
C. 3%
D. 38%
Answer: B
Mathematics
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Solve for the angle ?, where 0 ? ? ? 2?cos2? = 
A. ? = 
, 
, 
, 
B. ? = 0, ?, 2?
C. ? = 
, 
, 
, 
D. ? = 
, 
, 
, 
Mathematics
Provide the proper response.Does Euler's formula hold for the network shown?
A. Yes B. No
Mathematics
Solve the problem.Find the volume of a right circular cone with a height of 10 meters and a base radius of 6 meters.
A. 
? cubic m
B. 
? cubic m
C. 91? cubic m
D. 120 cubic m
Mathematics
As the interest rate increases, determine whether the amount increases, decreases or remains the same. Assume that all other variables remain constant. ? Monthly value for a sinking fund __________ (decreases, increases, remains the same).
Fill in the blank(s) with the appropriate word(s).
Mathematics