Answer:
I believe the answer is C :)
Step-by-step explanation:
Factor:
x^2+5x-300=0
(x-15)(x+20)=0
x=15 is the width
x+5=20 is the length
look at the pictures
area of B or another side tell fast I will answer
You're going to have to take a better quality picture. I don't think anyone can reliably read any of that