4h = 17
what is the letter H?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

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.

Can any one me with the answers to these questions asap?