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Sagot :
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.
Answer:
D
Step-by-step explanation:
M could be -1
and -1 + 9 = 8 , positive
.
M could be -9 too
-9 + 9 = 0, zero
.
M could be -10
-10 + 0 = -1 negative
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