Is (3,13) a solution of the equation y=4x

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

10 points? me . its important ‼️‼️

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