Answer:
Step-by-step explanation:
4x^2 + 4xy + y^2 = (2x + y)^2
and if we assume that 2x + y = A and because 4 = 2^2
A^2 - 2^2 = (A-2)*(A+2) .
Answer:
The ratio of dogs to animals
.
Step-by-step explanation:
If the shelter captures 9 dogs they also catch 7 cats.
So,
the total number of Animals = Total number of Dogs + Total number of Cats
= 
=
Therefore,
The ratio of dogs to animals = Number of Dogs / Total number of animals
= 
Answer:
40
Step-by-step explanation:
Answer:
it doubles?
Step-by-step explanation: