Solve the system of equations (only real solutions) by the elimination method. Check your solutions.
A. {(0, 3), (0, -3), (-6, 3), (-6, -3)}
B. {(0, 3), (0, -3), (6, 3), (-6, -3)}
C. {(0, 3), (0, -3), (-6, 3), (6, -3)}
D. {(0, 3), (0, -3), (6, 3), (6, -3)}
Answer: C
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 30 at 
minimum: 24 at 
B. Maximum: none; minimum: 24 at 
C. Maximum: none; minimum: 30 at 
D. Maximum: 51 at 
minimum: 30 at 
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Convert the units.27 yards = 
feet
A. 972 B. 243 C. 324 D. 81
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Perform the indicated operation(s). Simplify if possible.
- 9x
A. 
B. 
C. 
D. 
Mathematics
Multiply.(5m + 2)2
A. 25m2 + 4 B. 25m2 + 20m + 4 C. 5m2 + 4 D. 5m2 + 20m + 4
Mathematics