Marco arranged the tiles in this way, and then wrote an expression based on his arrangement. What expression do you think Marco might have written?

2(2a+b)^2

Step-by-step explanation:

4a+2b then squared which doubles it

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb