Iam a 3 digit separated by commas in a multidigit number

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) = %

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Add the fractions and simplify 1/2+ 1/3