Respuesta :

A. S.  is   a, a + d, a+ 2d, a + 3d

a = -1 and a + 3d = 59
so  - 1 + 3d = 59
3d = 60 
d = 20 

So the 2 arithmetic means are  -1 + 20 and  -1 + 40 
=  19 and 39 answer
qusaialmustafaovu05k

Answer:

Your answer would be Option B ;)

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