Answer:
Step-by-step explanation:
Answer:
677
Step-by-step explanation:
238 + 439 = 677
It is t possible to round it form the ones (dollar) place.
Answer:
x=4
y=1
Step-by-step explanation:
4x=7y+9
4x+y=17
7y+9+y=17
8y=17-9
8y=8
y=1
so
4x=7*1+9
4x=16
x=16/4
x=4
Answer:
B
Step-by-step explanation:
-2×4
=-8
a negative number multiplied by a positive number gives a negative number that is why it is -8 and not 8
Answer:
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Step-by-step explanation:
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