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 at least 2 siblings?
A. 0.46
B. 0.75
C. 0.25
D. 0.54
Answer: A
Mathematics
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Evaluate the expression.- 
3
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.You purchase a 200-day, $1000 U.S. Treasury bill at 0.49% discount. On the date of maturity, you will receive $1000. How much interest does the U.S. government pay to you on the date of maturity?
A. $2.99 B. $2.45 C. $5.72 D. $2.72
Mathematics
Give the domain and range of the relation.
A. domain: (-?, ?); range: (-?, ?) B. domain: (-?, -1]; range: (-?, 3] C. domain: (-?, ?); range: (-?, 3] D. domain: (-?, -1) or (-1, ?); range: (-?, 3) or (3, ?)
Mathematics
Find the measure of the angle.
?CGD
A. 40° B. 35° C. 45° D. 15°
Mathematics