Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find sec ?.
A. sec ? = 
B. sec ? = 
C. sec ? = 
D. sec ? = 
Answer: A
Mathematics
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Find the limit or state that it does not exist.
A. 10 B. 0 C. 1 D. Does not exist
Mathematics
Provide an appropriate response.Solve using a system of equations: Three electricians and four helpers earned a total of $1,950 on a job. At the same rate of pay, one electrician and two helpers earned $800. Find the earnings of each electrician and each helper.
What will be an ideal response?
Mathematics
Solve the equation or inequality. Write inequality solutions in interval notation.4x2 + 12x + 6 = 0
A. 
B. 
C. 
D. 
Mathematics
Which method should be used to solve the system? Explain your answer, including a description of the first step. x2 + 2y2 = 168x2 + 7y2 = 25
What will be an ideal response?
Mathematics