Respuesta :

number 6 is 5 because you will do (38-8) then (30/6) which then would equal 5n. that's all i know i hope this helped :)

I believe these are correct:

(4)  m= 6.1

(5)  t= 64

(6)  n= 5

(7)  y= 30

(8)  w= 8