Answer:
okok so for the perimater just add ALL the sides
Step-by-step explanation: happy to help
Area=side^2
if we say area=y and side=x
y=x^2
an euation is linear if the highest power of the variables is 1
y^1=x^2
2≠1
it is not linear (it's quadratic, fancy term for 2nd degree)
Answer:So its simple just forget about the letters add the numbers then place the letter and x
Step-by-step explanation: ( Always Parentheses first) Then i think you divide it by the outside number