Answer:
10x - 8 or 2( 5x - 4)
Step-by-step explanation:
Perimeter of a rectangle = 2( Length + Width)
<u>Rectangle A </u>
Length = x + 8,
Width = x - 1


<u>Rectangle B</u>
Length = 4x + 5
Width = 3x - 2




Y=x^-3...................
it is 11.25................................
The sum of all that stuff is a number from here to there