12. Which function rule represents the data in the table below? (1 point) Input (x) 1 2 3 4 5

Output (v) 9 12 15 18 21

A y= 4 + 5x
B y= 3 + 6x
C y= 5 + 4x
D y= 6 + 3x​

The graph shows the rate at which paint is used to paint a wall.enter values to complete each statement below based on the graph.when 1 gallon of paint has been used, ( # ) square feet of the wall will be painted.the unit rate is ( # )square feet per gallon.

How can you find the mean absolute deviation (mad) for this set of data?

Me d is also an option but i couldn't get it in the picture