(01.01 HC)Point N on the number line shows Rob's score after the first round of a quiz: In round two, he lost 6 points. Which expression shows how many total points he has at the end of round two?
These are the answers they have:
A.1 + (−6) = −5, because −5 is 6 units to the left of 1
B.1 + 6 = −5, because −5 is 6 units to the left of 1
C.1 + (−5) = −6, because −6 is 5 units to the left of 1
D.1 + 5 = −6, because −6 is 5 units to the left of 1