Okay. So, to find the percent change, we have to do change/original. In this case, it would be 12/15, because 15 and 27 are apart by 12. 12/15 is 0.8. Multiply that by 100 and you get 80. There was an 80% markup of the chair sold to the antique dealer.
Answer:
y(3y - 4)
Step-by-step explanation:

Both have y.
Factor y out of 

Answer:
Step-by-step explanation:
8 + 6 x the sum of 8 + 6 = 84
For the distance from nikos home to the library, the distance on the map should be
4/6th of an inch

Answer:
2(x-4)=3(x+10)
Step-by-step explanation: