Simplify the expression. Assume that all variables are positive when they appear.(
+ 
)(
- 
)
A. 7 - 2
B. 7z
C. 7 - 2
D. 7 - z
Answer: D
Mathematics
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Find the mode(s) for the given sample data. 99, 25, 99, 13, 25, 29, 56, 99
A. 42.5 B. 25 C. 55.6 D. 99
Mathematics
Simplify the expression using the order of operations.-(-4)3
A. -12 B. -64 C. 64 D. -1
Mathematics
Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.-3(3x - 9) < -12x + 9
A. (-?, -6]
B. (-6, ?)
C. (-?, -12]
D. (-?, -6)
Mathematics