In math what does the term ^ mean im not learning this in school yet but i see it a lot on this app

Can someone check my answer? you

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

If 3x+8=3x+8 is it one solution or no solution