Answer:
Step-by-step explanation:
When you add, multiply or subtract polynomials, the operation results in another polynomial.
When dividing polynomials, the operation may not result in another polynomial. In this case you normally end up with rational expression in the fraction form.
This operation is said not closed.
In our case this is option D.
There are
7 red balls
8 red balls
1 yellow ball
Hope this helps have a good day! :)
It would take Natalie 6 hours by herself since she will finish in twice the time if she had Caesar to help.
