Solve the system. If there is no solution or if the system's equations are dependent, so state.
A. no solution or ?
B. infinitely many solutions; dependent equations
C. {(-1, -2, 2)}
D. {(-1, 2, -2)}
Answer: D
Mathematics
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A. 
B. 
C. 48y(y + 9)
D. 
Mathematics
Multiply. Simplify, if necessary.
? 
A. 
B. 54
C. 
D. 
Mathematics
List the critical values of the related function. Then solve the inequality.
? 0
A. -4; (-?, -4] B. No critical values; ? C. 4; (-?, 4) D. -4, 4; [-4, 4]
Mathematics
Find the volume of the solid. Use 
for ?.
A. 22 cu yd
B. 88 cu yd
C. 154 cu yd
D. 44
cu yd
Mathematics