Thanks for the question!
When you multiply or divide both sides of an inequality, you flip the sign. "Flip," meaning greater than becomes less than and less that becomes greater than.
Hope this helps!
Answer: I don’t get the question but I think this is the answers.
For this case we have by definition, that the perimeter of the figure will be given by the sum of its sides, that is:

We add similar terms:

Thus, the correct option is option b. That is, 
Answer:

Answer:
-2
Step-by-step explanation:
9w-36-7w=15w-10
2w-36=15w-10
-13w=26
w=26/(-13)
w=-2
The answer is 45.36 I hope I helped