Answer:
Factoring the term
we get 
Step-by-step explanation:
We need to factor the term: 
Factoring:

Taking (y+4) common

It cannot be further factored.
So, Factoring the term
we get 
Answer:
a. addition property of Equality
d) x=-12 because x/-3=4 can be rearranged as x=4x-3 so x=-12
Answer:
1 quart = .947 L
3 Q = 2.841 L
So you should use 2.841 L to dissolve the powder