The area of the mirror (v) is 9.5x7.5=71.25 inches
Step-by-step explanation:
Water is the universal solvent" with a grain of salt (pun intended). Of course it cannot dissolve everything, but it does dissolve more substances than any other liquid, so the term fits pretty well. Water's solvent properties affect all life on Earth, so water is universally important to all of us.
I don't know what you are talking about please re word the question its really hard to understand what your asking.
Answer:

Step-by-step explanation:
combine like terms. not trying to be mean, but that all you have to do.