Which of the following terms does not describe hypothesis

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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.

Which of the following best describes the figure?