Decide whether or not the set is closed under multiplication.{0, 1}
A. Closed
B. Not closed
Answer: A
Mathematics
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Find the sum without the use of a number line.(-64) + (-45)
A. -109 B. -111 C. 19 D. 109
Mathematics
Rationalize the denominator.
A. 7
B. 
C. 
D. 7
Mathematics
The graph shows sales in thousands of dollars for 1989 and 1990. Use it to answer the question. 
Write an ordered pair (x, y) that gives approximately the sales in June 2006.
A. (June, 50) B. (50, 6) C. (6, 50) D. (2006, 50)
Mathematics
Evaluate the expression.-5-3
A. 
B. -125
C. 125
D. - 
Mathematics