A histogram would best represent the data.
Dot plot is a good way to show a certain trend. However, when it comes to the number of a item, in this case the number of students in a certain score range, a histogram will be the most intuitive and concise. Thus, a histogram best represent the data presented here.
That would be 7 - (-7) = 7 + 7 = 14 degrees F
Answer:

Step-by-step explanation:
In every rhombus, when you have two diagonal segment bisectors, you will always have a circumcentre showing all midpoints of both segment bisectors, plus, it measures 90° all around, so with that being said, you have your answer.
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5/7 is greater than 4/6 because 5/7 = 0.71 while 4/6 = 0.67
167<6+7(2-7r)167<6+14-49r
167-6-14<-48r
147<-49 r
r >-3