Respuesta :

zoutube

Step-by-step explanation:

use the distance formula

d² = (1 – 1)² + (–8 – ‒1)²

d² = 0 + 49 = 49

d = 7 units

Heather

Answer:

7

Step-by-step explanation:

√(1 -1)² + (-1 - -8)²

√(1 -1)² + (-1 + 8)²

√(0)² + (7)²

√0 + 49

[tex]\sqrt{49}[/tex]

7