No, line graphs are used only to show change over time
The answer is 63 because you have set up the proportion 1.5 over 3 = 31.5 over x and then you cross multiply 31.5 times 3 and you get 94.5 then you divide that by 1.5 and you get 63.
Interquartile range is when you subtract Q3 and Q1. The Q3 is 54, Q1 is 42. We subtract that together and we get 12, so the second option.

By the chain rule,

We have

and we're given that
changes at a constant rate of
thousand people per minute, which means

At the moment
thousand people are in the park, we have
, so we find

or approximately 2.324 thousand people per minute.
Answer:
C ( 8,-6)
Because you move the points according to the rule.