Answer:

Step-by-step explanation:
We have the following equations:


If we want to add these equations, we just need to add x-terms, y-terms and independent terms.


I hope it helps you!
Answer:
x lessthen or equel to 3/2
Step-by-step explanation:
120 is the answer to your question
Answer:
Since you havent left us much background we will make it a/b=h