Answer:

Step-by-step explanation:
To solve the expression

first we will multiply -n with each term and then find their products.
When doing multiplication the powers will be added and co-efficient will be multiplied.

Answer:56Step-by-step explanation:
its the miles shes walked
Answer:
The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle. The perimeter, P, is: P=x+x+y+y.