1.) When graphing Force verses Acceleration, what is plotted on the x-axis, acceleration or force?

2.) Suppose you want excel to calculate the volume of a sphere. Assuming the radius value is placed in cell A1, what is the correct excel equation?

A.) =(4/3)*pi()*A1^3

B.) (4/3)*3.14*radius^3

C.) #(4/3)*pi()*A1^3

D.) !(4/3)*3.14*A1^3

E.) calc((4/3)*pi()*r^3)