bearing in mind that the slope goes by several names
• average rate of change
• rate of change
• deltaY over deltaX
• rise over run
• gradient
• constant of proportionality
however, is the same cat wearing different costumes.

Answer:
1065
Step-by-step explanation:
57-42×-3-21
23 - 7 = 16
16/8 = 2
each raffle ticket cost $2