Respuesta :

Answer:

18 is the one

Step-by-step explanation:


Answer:

D. 18

Step-by-step explanation:

RT = TS

7x - 5 = 3x + 3

4x = 8

x = 2

RS = RT + TS

RS = 3x + 3 + 7x - 5

RS = 10x - 2

RS = 10(2) - 2

RS = 20 - 2

RS = 18

Q&A Education