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 
Answer:
25% ?
Step-by-step explanation:
i think it's 25 because i counted up the dots and so theres 20 of them
then i counted the dots over the 1 child thing and there was 5
so i divided 5 by 20 and 0.25
then turned it into a percentage
and got 25%
i hope this helps
Answer:
120%
Step-by-step explanation:
Given that,
The diameter of the raw cookie is 2 1/2 inches i.e. 5/2 inches
After baking the cookie, the diameter is 5 1/2 inches i.e. 11/2inches
We need to find by what factor does the cookie expand.

So, the cookie will expand 120%.
Answer:
y=4x^2-31
Step-by-step explanation:
28: 22 7
126: 2 337
GCF: 2 7
2•7=14