What us the velocity in meters per second of a runner who runs exactly 110 m toward the beach in 72 secs

Determine the maximum r-value of the polar equation r =3+3 cos 0

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?