Question

Need help with question 3. Any help is appreciated:)

Answer 1

b

Explanation:

because you would do

Q=R+ST

S/Q=R+S/SxT

S/Q=R+T

S/(Q-R)=t

Q-R=t

S

(need a better explanation LMK)

Answer 2

q=r+st
q-r=st
q-r/s=t
B