Graph the function.y = -cot 
A. 
B. 
C. 
D. 
Answer: C
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Express the sum in sigma notation.7 + 8 + 9 + 10 + 11 + 12
A. 
B. 
+ 7
C. 
k
D. 
In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer written materials in a school of 650 students?
A. About 9 students B. About 59 students C. About 117 students D. About 234 students
Solve the problem that involves probabilities with dependent events. You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. Find the probability that both cards are black.
A. 
B. 
C. 
D. 
Fine the requested unknown measure.A box has a volume of 3910 mm3. If the length is 23 mm and the width is 
find the height.
A. 8 mm B. 17 mm C. 12 mm D. 10 mm