Answer:
a
Step-by-step explanation:
I think it is undefined
(5x+5)(x+2) , is the factorised form. I'm pretty sure..I don't know for sure though.
Answer: City A, 
Step-by-step explanation:
Given
The temperature of city A is 
The temperature of city B is 
We know, 
So, 

Clearly, the average temperature of city A is more than city B
The difference in temperature is 
Your answer is 89 since 4*10=40)+5*5=25)+2*12=24, add all the results up and get 89.
351
I did the math in my calculator
Also learned how to do this last year