i'm guessing this is asking what percentage it went up by? if so it went up by 190.47 percent. ***400,000 / 210,000 = 1.9047619***
You can use the quadratic formula with it which will be easier
or simple factoring
it will be (5x-11)(7x+4)
Step-by-step explanation:

Answer:
6
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Morgages is spelled mortgages