Describe the sample space for the experiment.An even-numbered lottery ball is drawn from a group of balls numbered 1 through 31.
A. {30}
B. {2, 4, 6, . . . , 30}
C. {1, 2, 3, . . . , 31}
D. {2}
Answer: B
Mathematics
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Find the inverse of the matrix (if it exists).A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
Mathematics
Determine if the statement is a rational equation.
= 
A. Yes B. No
Mathematics
Perform the operations and simplify.
?
?
Assume that no denominators are 0.
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Add or subtract as indicated. Simplify the result if possible. If an answer is an improper fraction, write it as a mixed number.
+ 
+ 
A. 
B. 
C. 
D. 1
Mathematics