Respuesta :

Answer:

RT = 18

Step-by-step explanation:

RY = TY

2z - 1 = 4z - 11

-2z = -10

z = 5

RT = RY + TY

RT = 2z - 1 + 4z - 11

RT = 6z - 12

RT = 6(5) - 12

RT = 30 - 12

RT = 18