Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student 3 or more siblings?
A. 0.77
B. 0.11
C. 0.12
D. 0.23
Answer: D
Mathematics
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Find the indicated maximum or minimum values by the linear programming method. The constraints are shown below the objective function.Maximum and minimum F:F = 2x - yx ? 1, y ? 07x + y ? 6x + 7y ? 6
A. Maximum: 
Minimum: 2
B. Maximum: 14
Minimum: 2
C. Maximum: 14
Minimum: 
D. Maximum: 
Minimum: 
Mathematics
Perform indicated operation and round as indicated.160.45 ÷ 1.6 round to two decimal places
A. 10.08 B. 10.03 C. 100.78 D. 100.28
Mathematics
Multiply.- 
× 
A. - 
B. - 
C. - 
D. 
Mathematics
Find the slope of the line tangent tangent to the graph a the given point. y = 
, x = 6
A. m = 
B. m = - 
C. m = - 
D. m = 
Mathematics