Which equation could be represented by the number line? O A. -5+ 7 = 2 O B. 4+ (-7) = -3 O C. 7 + (-6) = 1 O D. -3+(-4) = -7 please respond to this question in less than 5 minutes please​

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!