Solve the problem.In how many ways can a group of 8 students be selected from 9 students?
A. 72
B. 9
C. 8
D. 1
Answer: B
Mathematics
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Evaluate the double integral over the given region.
R = {(x, y): 3 ? x ? 4, 3 ? y ? 4}
A. 
B. ln 
C. 
2
D. 
2
Mathematics
Complete the ordered pairs. Then graph the equation.3x + 4y = 16 
A. (0, 4), 
, 
, 
B. (0, 4), 
, 
, 
C. 
, 
, 
, 
D. (0, -4), 
, 
, 
Mathematics
Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5
Mathematics
Write a general term an for the sequence. Assume that n begins with 1.
, 
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics