Idek but I do know that 12x8= 72
Starting point: (0, 2) and can go to (1, 6).
This shows the slope and y-intercept. Hope this helps.
70% of the people were adults
First you subtract 1500-450 = 1050
Then you divide 1050/1500 = .7
Sub in 4 as x
3(4) - 29
= -17