Daniel rode his bike 35km in 6 hours. What was his speed?

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?

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?