I need help with this :))

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 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) =

See attachment below and find the equivalent of tan(∠qsr)