Answer:
The unit rate is 
Step-by-step explanation:
Given : Kenny reads
page in
min.
To find : What is Kenny's unit rate?
Solution :
Kenny reads
page in
minute
This can be written as,

Divide both side by 


The unit rate is 
Area is equal to length times width, so we can use this over here:
Area = lw
Area = (x+7)(x+1)
Area = x^2+x+7x+7
Area = x^2+8x+7
Hope this helps!! :)
Answer:
c cause it says length = 5x
Answer: g it is 2x+21 ansd h is 3x+24
Step-by-step explanation: