The unit rate for a proportional relationship at six dollars which point must be located on the graph in this proportional relationship

The circumference of a circle is 5 pi cm. what is the area of the circle?

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.

With finding limits of multi variable !