Answer:
12. C. x²- 14 + 49 meters
SOLUTION
Use a foil method
( x - 7 )( x - 7 )
= x²- 14 + 49
13. D. 12
SOLUTION
A. 15 + 12 > 24
= 27 > 12
is a solution
B. 14 + 12 > 24
= 26 > 24
is a solution
C. 13 + 12 > 24
= 25 > 24
is a solution
D. 12 + 12 > 24
= 24 > 24
is not a solution
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