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 has less than 2 siblings?
A. 0.58
B. 0.17
C. 0.25
D. 0.75
Answer: A
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither.3x - 8y = 7 and 3x + 8y = 7
A. parallel B. perpendicular C. neither
Mathematics
Factor the polynomial completely.128k3m - 250m4
A. 2m(64k - 5m)(k2 + 20km + 25m2) B. (8km - 10m2)(16k2 + 25m2) C. 2m(4k + 5m2)(16k2 - 20km + 25km2) D. 2m(4k - 5m)(16k2 + 20km + 25m2)
Mathematics
Simplify. If an expression does not represent a real number, state this.-
A. -6 B. -36 C. 10.645 D. not a real number
Mathematics