Answer:
Linear
Step-by-step explanation:
For every step in x, the y values increase by 4 each time, making it a linear function, since the change in y is constant.
Answer is square with the side of 212 inches. It's area is 212×212 which is bigger than rectangular area.
Answer:
4m-20
Step-by-step explanation:

Well, in the real would many people spend more than $30.