Answer:
A) A
Step-by-step explanation:
"X" is equal to 3.
Answer:
D
Step-by-step explanation:
m + 9 can be +ve or -ve or 0.
m can be any number, even lesser than -9 to make it +ve. [-10+9 = -1 = -ve no.]
Or, maybe greater than -9 to make m+9 +ve. [-8 + 9 = 1 = +ve no.]
Or, maybe -9 only so that m+9 is 0
[ -9 + 9 = 0 ]
It can be -ve, +ve and 0 as well.
The answer to your question is $720
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According to the table ;

Let's check that in which of the equations it happens.
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A )




Wrong
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B )




Correct.
Thus this option is the correct answer.
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C )
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Wrong
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