124 square units
you just have to count the top, bottom, and a side and times by 2
Answer:
Do what the 6th grader said
Step-by-step explanation:
They smart
Answer:
10x+4b+3
Step-by-step explanation:
x+x+x+x+x+x+x+x+x+x+b+b+b+b+3
There are 10 x
4 b
and one number
10x+4b+3
Answer:
x 
Step-by-step explanation:
x