We have:
ba + 3ca = -2
Extract common factor "a":
a(b + 3c) = -2
Divide by the term (b + 3c):

Answer:
7/8 pounds
Step-by-step explanation:
pounds collected in a day = number of pounds collected in 8 days / number of days
7/8
Answer: V = 1512 cm3
Step-by-step explanation:
In order to do that we would need to see the list of potential answers.