Find the exact value of the following expression without using a calculator.tan 
A. 
B. -1
C. 
D. 1
Answer: D
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Steen et al. (2011) propose that college students of color are more likely to depart prematurely from educational settings because of:
A) Lack of academic and personal support B) Lower grades than those of their dominant-culture counterparts C) Bias and prejudice real or perceived) D) General dissatisfaction
A survey showed that students had these preferences for instructional materials. Use the graph to answer the question.
About how many students would you expect to prefer lectures in a school of 900 students?
A. About 162 students B. About 18 students C. About 324 students D. About 180 students
Insert either <, >, or = to make a true statement.
_____ 0
A. < B. = C. >
Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A. b2
B. b
C. b2
D. b2