Find the intersection of the sets.{-3, -2, 1, 4} ? {1, 4, 8}
A. {1, 4}
B. {1, 4, 8}
C. {-3, -2, 1, 4, 8}
D. {-3, -2, 1, 4}
Answer: A
Mathematics
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Add or subtract as indicated. Simplify, if necessary.- 
+ 
A. 
B. 
C. - 
D. - 
Mathematics
Simplify the expression.(-y)7 ? (-y)8
A. (-y)15 B. (-y)56 C. (y)56 D. (y)15
Mathematics
Solve the problem.A certain number is three times as large as a second number. Their sum is 100. What are the two numbers?
A. 23 and 69 B. 25 and 75 C. 78 and 22 D. 23 and 77
Mathematics
Graph the solution of the system.
A. 
B. 
C. 
D. 
Mathematics