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. 0.23
B. 0.58
C. 0.77
D. 0.19
Answer: B
Mathematics
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The two triangles below are similar. Find the missing lengths.
A. x = 6; y = 12 B. x = 11.25; y = 15.75 C. x = 13.5; y = 18 D. x = 20; y = 28
Mathematics
Calculate.
A. 3
B. 
C. 
D. 
Mathematics
Write the fraction in decimal notation.
A. 0.1
B. 0.2
C. 0.
D. 0.
Mathematics
Solve the problem.The gross national product for the United States was 
. Round this amount to the nearest ten-billion.
A. $50,000,000,000,000 B. $53,800,000,000,000 C. $53,757,000,000,000 D. $53,760,000,000,000
Mathematics