Step-by-step explanation:
Q3, B
Q4, I'm not too sure about this one but I think its D
Bar graphs are used to compare things between different groups or to track changes over time. Bar graphs are an extremely effective visual to use in presentations and reports. They are popular because they allow the reader to recognize patterns or trends far more easily than looking at a table of numerical data. Further, Bar graphs are an effective way to compare items between different groups.
Answer:
4) 1
5) 13/0, ND
6) -4
7) 5/3
8) 0
9) -1/7
all ans r correct....
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