Answer:
The square of a monomial is 
Step-by-step explanation:
Consider the provided monomial.

We need to Write the expression as a square of a monomial.
The above expression can be written as:



Hence, the square of a monomial is 
Answer:
The Magazines each costed $8.30 and the books cost $13.80 for the amount of $41.50. and the 2 magazines and 5 books for $42.25 the 2 magazines is $21.12 for each and $8.45 for each book.
Step-by-step explanation:I got the answers by taking the total cost and taking the number of books or if it was a a magazine and I would divide it by lets just say you have 42.25 dollars you would divide that by 3 and you would do it for every item with the total cost.
by calculating the given information and the equation in table