Your answer is
a-4a
= 1a-4a
= -3a
8 and 19, because 2 times the length + 2 times the width = 54 :)
I believe x is 0 because if we assume y and x are 0 then 0=0 and 0= 5 x 0
Answer: A and B I think
Step-by-step explanation:
I'm sorry try to reread what you learnt in class
I'm not up to this yet