Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? in quadrant II Find cos 2?.
A. - 
B. 
C. - 
D. 
Answer: C
Mathematics
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Solve the problem.Martin scored 41 points on a quiz. The average score for his class was 
with a standard deviation of 
Martin's brother Jeff who is in a different class also had a quiz. He scored 29. The average score in Jeff's class was 
with a standard deviation of 
Find the z-score for each person. Relatively speaking, who did
better? A. 2.0, 3.0, Jeff B. 2.0, 3.0, Martin C. 0.83, 1.58, Martin D. 0.83, 1.58, Jeff
Mathematics
Find the exact value.  figure 1.png)
What will be an ideal response?
Mathematics
Add.234 + 141
A. 573 B. 375 C. 627 D. 555
Mathematics
Solve the problem.Suppose that the x-intercepts of the graph of y = f(x) are 2 and 6. What are the x-intercepts of 
A. 10 and 14 B. 2 and 6 C. -6 and -2 D. 12 and 48
Mathematics