Please help i can't figure this problem out​

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) =

What is the measure of angle tvu shown in the diagram below

Which letters from the table represent like terms? a and b b and c a and d b and d