Answer:
7-21
Step-by-step explanation:
if -a+b
is thesame according to laws of integers as
b-a
It will take them 10 days to have the same amount of credits.
The only thing I did was to keep adding what they where earning per day!
Answer:
The first one is linear, the second one is not linear, and the third one is linear.
Step-by-step explanation:
Start with the parentheses first
4.6 -4.4+7.8 then calculate from left to right
= 0.2+7.8 = 8