You need a common denominator while subtracting because really a fraction is a division problem and you cannot do 4/5-8/9 it does not make sense as for multiplication you really just multiplying everything that is why it makes sense.
The interval notation given to us means that x is between negative infinity and 5, excluding both endpoints.
So we can write
which shortens to 
The graph will have an open hole at 5 on the number line, and shading to the left to indicate all points smaller than 5.
1740 i think.
I added 6000 and 2700 and got 8700. then i divided it by 5 because it going to take 5 years to pay the loan.
Answer:

Step-by-step explanation:
has solutions of
and
, which expands to 
The answer is C
the mean is the average which is solved by adding up all of the numbers and then dividing that by how many numbers there are, 45/5 = 9