Answer:
Step-by-step explanation:
....... im not sure
Answer:
Number 1: $14.40
Number 2: $21.60
Step-by-step explanation:
Answer:
addition property of equality
Step-by-step explanation:
This is because the addition property of equality means
if
then 
So if,
then 
Answer:
3y + 4
Step-by-step explanation:
3(y-1) +7
3y -3 +7
3y +4