Given the set of integers 1 − 20 , what is the probability of selecting a number that is divisible by 7 ?

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.

What’s the volume of the triangular prism?

Ineed the solution to this problem and the steps.