PLEASE HELP !! with all

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

What is the slope of the equation y =