Can you me plz? and can u check if the area is correct

Is the orthocenter of a triangle on the inside ?

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) =

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?