Answer:
the average is 168
Step-by-step explanation:
The y intercept is 0.5 because thats where the line starts.
the slope/gradient of the line is 1.5.
this would be written in the form: y=1.5x+0.5
29..................................
Answer:
15/-9
Step-by-step explanation:
y2-y1/x2-X1
7-(-8) 15
-5-4. -9