Iam an odd number with 3 digits. the sum of my digits is 5. my first and last digits are the same. what am i?

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) =

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?