Why is spongebob the main character when patrick when patrick is the star?

What are “like terms”? why can we only add like terms?

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Someone me! if you’re smart you can solve this!