8208 total tickets / 12 concerts =
684 tickets per concert.
It has to have x decreasing and y decreasing, along with x getting bigger while y gets smaller, and it has to cross x at -5, 0, and 4 so this is your graph
Answer: m = -3/2
Step-by-step explanation: Use the slope formula to find the slope m.
Hope this helps you out. If not, comment and let me know what you want/need for this question. Good luck! ☺