Hey! Your rational number would be 
These would have infinite solutions because this is a slope-intercept equation. Since you are provided with the y-intercept in both, you can put anything in for the slope and it will work.
Hope this helps!
Answer:
Step-by-step explanation:
For window, area 3×2
=6
For wall, area=20×16
=320
Area of wall withot window=320-6
=316
7,000 and 7 hope this helped
Answer:s=10.50 and p=27
Step-by-step explanation: