PLEASE HELP! I’LL MARK BRAINLEST! :(

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) =

Which of the following graphs could represent a cubic function?

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.