Question

I need the help as soon as possible

Answer 1

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.

Answer 2

Answer:

a is true

Step-by-step explanation:

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