Which solid figure has a base that is a polygon and triangular faces that meet at a vertex?

Which statement best describes the polynomial

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) =

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10