(1) Answer: Identity true

(2) Answer: Identity true

(3) Answer: Identity true

Answer:
Regina drank 2/4 gal. of orange juice
Step-by-step explanation:
She starts off at 3/4 which makes the equation: 3/4 - 1/4=x
3/4-1/4 equals 2/4 which gets reduced and simplified to 1/2.
Can you take a better picture. That would help to answer the question.