Respuesta :
Answer:
45
Step-by-step explanation:
it's 45 because the distance from r to 0 is 30 and the distance from 0 to t is 15; add those together and you have your answers
answer: 45 units. im not sure if i did this right, but you can tell me in comments :)
explanation: -30 plus 30 is 0, then if you added 15 you would get to T.
30+15=45
explanation: -30 plus 30 is 0, then if you added 15 you would get to T.
30+15=45