The answer is the top one.
Answer:
Can you please attach a picture of the question so I can help?
Step-by-step explanation:
Both of the fractions can be added since they both have 8 as the denominator 3/8+5/8=8/8 which is a whole.
The first one is A and the second one is A
It would be the mass divided by the volume
the equation is d = m/v from what i remember