Evaluate the expression.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Factor, if possible.t2 + 
t + 
A. Prime polynomial
B. 
2
C. 
D. 
2
Mathematics
Indicate whether the number is a proper fraction, an improper fraction, or a mixed number.
A. Mixed number B. Proper fraction C. Improper fraction
Mathematics
Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}n(A ? B ? C)
A. 10 B. 9 C. 15 D. 1
Mathematics
Graph the solution of the system.
A. 
B. 
C. 
D. 
Mathematics