Provide an appropriate answer.Let A = 
and B = 
. Show that AB ? BA. Show all your work.
What will be an ideal response?
Answers may vary. One possible solution follows.
Left-hand side:
AB = 
= 
Right-hand side:
BA = 
= 
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Solve the system.
+ 
= 32
- 
= 40
A. {(-100, -27)} B. {(100, 27)} C. {(-100, 27)} D. {(100, -27)}
Solve the problem and simplify your answer completely.Find the area of the geometric figure. 
A = 
foot B = 
foot
A. 
square foot
B. 
square foot
C. 
square foot
D. 
square foot
Provide an appropriate response.The table shows the number of pupils per teacher in selected counties in a certain state. 
For which counties are the values not less than 14.7?
A. Dixson, Hendricks, Putnum B. Addison, Branson, Cumberland, Kendall C. Branson, Dixson, Hendricks, Putnum D. Addison, Cumberland, Kendall
Solve the inequality and graph the solution set.| x | > 6
A. (-?, -6)
B. (-6, 6)
C. (6, ?)
D. (-?, -6) ? (6, ?)