How do i find the constant rate of change in a graph

Pepe is going to spin the following spinner 800 times. the spinner is divided into equal sections. a. exactly 160 timesb. clost to 160 times but probably not exactly 160 timesc. exactly 640 timesd. close to 640 times but not probably not exactly 640 times. me

What is a graph with a never ending line called?

Asphere has a diameter of 10 in. what is the volume of the sphere?