Answer:
See Explanation;
Step-by-step explanation:
The given vectors are;
and 
a) To add or subtract two vectors, we add or subtract their corresponding components









b) See attachment for graphs(1,6
$7.35. All you do is multiply the two together
Answer:
Step-by-step explanation:
You could talk about how how or low it goes.
For instance: if the graph was going very high then suddenly low you could say that it was going very high until it suddenly dropped.
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Answer:
B
Step-by-step explanation:
Divide 2.88 by 0.09
2.88/0.09 = 32
$2.88 is 9% of $32