math
posted by anonymous1 .
(2r+s)14r=
A28rs
B15p^4t
C15p^4t^2
D8p^2t
e8p^4t^2
c

How do r and s change to p and t?
posted by anonymous1 .
(2r+s)14r=
A28rs
B15p^4t
C15p^4t^2
D8p^2t
e8p^4t^2
c
How do r and s change to p and t?