Is volume measured in square units or cubic units?

What is the inverse of the function f(x)=2x+1

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

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