Answer:

Step-by-step explanation:
slope intercept form is y =mx+b
m is the slope
b is the y intercept
if you have any questions feel free to ask :)
Answer:
5:4
Step-by-step explanation:
The original ratio would be 15:12 and then you can simplify by dividing both sides by 3. So the resulting ratio would be 5:4.
Perimeter of smaller is 24.
Perimeter of larger is 32.
Ratio of Larger:Smaller is 32:24 = 4:3