C.24 is supplementary to 7
Answer: x - 5
Step-by-step explanation:
Since, the area of the rectangle =
Length of the rectangle = x+5
Let the width of the rectangle = b
Thus, the area of the rectangle = 
⇒ 
⇒ 
⇒ 
Therefore, the expression that shows the width of the rectangle = x-5
(3/5)w + (2/5)x - 8 is the appropriate expression. Be sure to use the parentheses as shown.
the answer is gonna be a. 5m+40
Second option:
-7x^2+4x+2