How many do you want me to answer? I will answer in the comments :)
Answer:
Area = 81; Side Length = 3
Step-by-step explanation:
The area of a square is the side lenght squared, and 9² is 81.
The side lengh can be found by taking the square root of the area. √9 = 3
They both will have a y intercept of 0
The only linear equation is choice d
