Answer:
part A: the warmer the city temp was the more lemonade that was sold so a hotter day will sell more lemonade
part B: i used points 40,8 and 90,20 and got m= 25/6 then i did y=mx+b
90=25/6(1)+b
90/1=25/6+b
25/6 25/6
and then B= 21.6
Step-by-step explanation: im not sure if i did it right so i would check i havent done this since like the 6th grade like 4 years or so ago lol