Answer:
C
Step-by-step explanation:
sorry if its wrong
Answer:
i know this isn't the answer but this should help...
Step-by-step explanation:
When 2 secants intersect a circle:
(DC + CE) * CE = (AB + BE) * BE
( 1 + (x+4)) * (x+4) = (11 + (x+1)) * (x+1)
x + x^2 + 4x + 4 +4x +16 = 11x +x^2 +x +11 +x +1
9x + 20 = 13x + 12
4x = 8
x = 2
Source:
http://www.1728.org/circangl.htm
Scroll down to Two Intersecting Secants
Gee - that was a little bit of work!!
First you need to simplify the left side of the equation to get

Then you add by two on both sides to get

Finally you divide by 2 on both sides to get
Answer:
Step-by-step explanation:
3% increase
6% decrease
18% increase