Respuesta :

Answer:

a is true

Step-by-step explanation:

its because 7+(-7) =0 so a is correct

Manoelprz01

Answer:

A

Step-by-step explanation:

if at 8a.m the temperature was at -7degrees and by noon the temperature increased by 7 all you need to do is add 7 to -7 which cancels out to give you 0.

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