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. 0.25
B. 0.13
C. 0.75
D. 0.12
Answer: A
Mathematics
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Change the logarithmic expression to an equivalent expression involving an exponent.logb 49 = 
A. b2/3= 49
B. b3/2 = 49
C. 
b = 49
D. 492/3 = b
Mathematics
Solve the problem. Round to the nearest cent as needed.The monthly payments on a $73,000 loan at 13% annual interest are $807.38. How much of the first monthly payment will go toward the principal?
A. $104.96 B. $702.42 C. $16.55 D. $790.83
Mathematics
Determine whether the triangles are congruent. If they are congruent, state why.
A. congruent; ASA B. congruent; SSS C. congruent; SAS D. not congruent
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers. 
A. 
B. 
C. 
D. 
Mathematics