Find the unknown length in the right triangle. Simplify the answer if necessary.
A. 
B. 6
C. 6
D. 3
Answer: B
Mathematics
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Solve the problem.The pendulum of a grandfather clock is 1.8 m long. Determine the length of the arc through which the pendulum moves if it moves through an angle of 25°.
A. 0.13 m B. 0.79 m C. 45 m D. 0.39 m
Mathematics
Multiply. Write the answer as an improper fraction as needed.20 ? 
A. 
B. 
C. 
D. 
Mathematics
Find the average rate of change of the function as x changes from a to b.g(x) = 4x - 6; a = 3, b = 2
A. 4
B. 
C. -4
D. 0
Mathematics
Find the exact trigonometric function value.sec (-135°)
A. - 
B. -1
C. 
D. - 
Mathematics