Answer:
don't know
Step-by-step explanation:
not really sure
Answer: total comes to 4X - 12Y + 4
Step-by-step explanation:
You can change the denominators so they are alike.

Not sure how there can be two possible answers unless you're mentioning the decimal form:
.775
Tell me if this helps!!
Answer:
140 ml
Step-by-step explanation:
60/3 = 20
20x7 = 140