Please help me:) i will give brainliest to the right answer<3

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) =

Find the values of y: 3y^3(y^2+ 2/3y)=0

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?