Subtract. Simplify, if possible.
- 
A. 3
B. 12
C. 7
D. 3
Answer: D
Mathematics
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Solve the inequality. Graph the solution set and write it in interval notation.-4 ? 
A. (-?, -24)
B. (-24, ?)
C. (-?, -24]
D. [-24, ?)
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Mathematics
Solve.A polygon with n sides has D diagonals, where D is given by the function D(n) = 
. Find the number of sides n if 54 ? D ? 135.
A. {n|12 ? n ? 18} B. {n|11 ? n ? 19} C. {n|13 ? n ? 18} D. {n|10 ? n ? 19}
Mathematics
Solve and graph the solutions.
< 8
A. 
B. 
C. 
D. 
Mathematics