I think the answer is B hope this helps.
Answer:
the answer is b
Step-by-step explanation:
I think the answer would be C. (btw, you should charge your phone/tablet, lol)
last week because, the class that week was only 1 hour and last weeks was 3/2 an hour
Looks good! You have the right answers.
However, the graph for 12 and 15 is inaccurate! Because he starts from a stop sign/stop light, the graph's speed should start from the origin!
Not to confuse you or anything, but this means the graph does not follow the description of the problem. Please let your teacher know so s/he can fix the worksheet.