The answer is 45,000 or 45 Thousand.
Y = mx + b....for b
subtract mx from both sides
y - mx = b <==
Perimeter is the distance around the outside of a shape. Area measures the space inside a shape.
So you add 13+5=18
Then you do 144/18=8
8x13=104 8x5=40
104+40=144✅
Answer= 104 : 40
i know the answer to be "B" because we just learned this in class