Answer:
Sophia is 17 years old. Sophia's brother is 11 years old.
Step-by-step explanation:
x/4 = 3/2
x/2 = 3 (multiply both sides by 2)
x = 6 (multiply both sides by 2)
Therefore 6/4 = 3/2
Answer:
option a and d
Step-by-step explanation:

Answer:
=3+j-k
Step-by-step explanation: