Respuesta :

Answer:

~36 units apart

Step-by-step explanation:

  1. (-21 - 0) = -21 (-29 - 0) = -29
  2. -21^2 = 441 -29^2 = 841
  3. 441 + 841 =1282
  4. square root of 1282 is 35.80
  5. 35.80 is ~36

~36 units