A triangle has side lengths of (2.4s - 9.7) centimeters, (4.9s 8.1) centimeters, and (8.6t - 6.2) centimeters. Which expression represents the perimeter, in centimeters, of the triangle? O-10.5s +2.4t 8.6t+ 7.3s - 24 O -17.8 +2.4t + 7.3s -7.3s - 3.2 - 2.4t CENER Submit Answer​