can someone please help me with this please ASAPPP
PLEASEEEEEEEEE
THANK YOU JUST 3A AND 3B
TYSMM

Answer:
a) y= -18x +486
b)
10, y= 306
11, y= 288
12, y= 270
13, y= 252
14, y= 234
15, y= 216
Step-by-step explanation:
I hope this helped! brainliest pls?
<3