A librarian is curious about the habits of the library's patrons. He records the type of item that the first 10 patrons check out from the library. Estimate the number of DVDs that will be checked out for every 100 patrons. Explain your reasoning.

Ithink the answer is a

Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.