Show that the equation is not an identity by listing the value(s) of the variable from among 0, ?/4, ?/2, and - ?/4 for which the equation is false.sin ? + sin 
= sin 
A. 
and - 
B. 
, 
, and 0
C. 
and 0
D. 
, 
, and - 
Answer: D
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Provide an appropriate response.We want to compare two different groups of students, students taking Composition 1 in a traditional lecture format and students taking Composition 1 in a distance learning format. We know that the mean score on the research paper is 85 for both groups. What additional information would be provided by knowing the standard deviation?
What will be an ideal response?
Provide an appropriate response.Look for a pattern in the sequence of figures shown below, and use your reasoning to draw the next figure.
A. 
B. 
C. 
D. 
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 18,114 R7 B. Incorrect; should be 18,114 R6 C. Correct D. Incorrect; should be 18,115 R5
Solve the problem.There are 7750 self-employed persons in a town. If this represents 15% of the total number, what is the total number? Round to the nearest whole number.
A. 517 B. 1163 C. 116,300 D. 51,667