Find the exact value by using a half-angle identity.tan 75°
A. -2 - 
B. 2 - 
C. -2 + 
D. 2 + 
Answer: D
Mathematics
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Provide an appropriate response.Suppose that you want to construct a graph to represent the following data. 
If you are primarily interested in the number of people in each category as a percentage of the total number of people, would a bar chart or a pie chart be more useful? Explain your thinking.
What will be an ideal response?
Mathematics
Express the number in scientific notation.270,000
A. 2.7 x 106 B. 2.7 x 105 C. 2.7 x 10-6 D. 2.7 x 10-5
Mathematics
Convert the improper fraction into a mixed number.
A. 3
B. 3
C. 1
D. 2
Mathematics
Solve. If necessary, round the answer to two decimal places.log2 (7x) + log2 (x) = 5
A. 5.00 B. 0.85 C. 1.20 D. 2.14
Mathematics