Only comment if you know the answer. i can't miss this.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders