Respuesta :

Answer:

F)

Step-by-step explanation:

2v = r - s

2v + s = r

grantgreving1

Answer:

F

Step-by-step explanation:

v = r - s/2

(v)2 = (r - s/2)2

2v = r - s

2v = r - s

+s       +s

2v + s = r

r = 2v + s