The product of x and y, in three different ways; the product of the sum and the difference of x and y, using parentheses

After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?