At 6: 00 a. m. the temperature was 33°f. by noon the temperature had increased by 10°f and by 3: 00 p. m. it had increased another 12°f. if at 10: 00 p. m. the temperature had decreased by 15°f, how much does the temperature need to rise or fall to return to the original temperature of 33°f?a) fall 7°fb) rise 7°fc) fall 3°fd) rise 3°f

So at 6:00 a.m. the temperature is 33 F
12:00 p.m. the temperature increased by 10 F so it is 43 F
3:00 p.m. the temperature increased by another 12 F making it 55 F
At 10:00 p.m. it would decrease by 15 F making it 40 F.

The temperature would need to fall/decrease 7 F to reach the original temperature of 33 F so it would be A.

Hope this helps!
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You would have to multiply all of the numbers

Ithink if im not mistaking b is -3 but im not a 100% sude