Answer
Subtract
from 
then;

Remove the bracket we have;

Like terms are those terms which have same variable to the same power.
Combine like terms;

Therefore, Subtracting
from
we get 
Answer:
Step-by-step explanation:
Yes it is
Answer:
y-intercept:
(0,2) or just -3/5
Step-by-step explanation:
If 30 textbooks weigh 144, you do 144/30 to calculate each unit
So the answer is 4.8
Her current balance aftsr adding 60$ 3 times would be -65