Answer:

Step-by-step explanation:
AB would be (n) * (2n + 6). We need to distribute the n, so we multiply the n by each term within the parentheses and add those products together:
AB = 
C is just
, and we subtract this from
:

Thus, the answer is
.
Hope this helps!
Answer:
I think that removing (1, 3) would make the most sense
The man’s original salary was 100%. when increased by 10% , it becomes 110% which is $154 000.
so,
110% -> 154 000
1% -> $1400
100% -> $1400 x 100
= $140 000
The sofa will cost $539.97
The love seat will cost $276
Just multiply each cost by .4 Then minus that from the cost.
Hope that helped
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