Answer the question(s) based on the following situation: For a population of 4000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean ? = 610 and standard deviation ? = 60.The third quartile of the scores on the exam is approximately
A. 650.
B. 670.
C. 640.
D. 630.
E. none of these
Answer: A
Mathematics
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Find the sum or difference, and write in lowest terms, if necessary.- 
+ 
A. 
B. - 
C. 
D. - 
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Use a CAS to plot the function near the point x0 being approached. From your plot guess the value of the limit.
A. 
B. 5
C. 0
D. 
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Multiply or divide the fractions. Reduce to simplest form.
÷ 
A. (z + 5)(z + 2)
B. 
C. 
D. 
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Find the indicated term of the binomial expansion.3rd term; (3x + 4)3
A. 192 B. 144x C. 576x D. 108x2
Mathematics