Examine the diagram of circle A,

where DB¯¯¯¯¯¯¯¯
and CB¯¯¯¯¯¯¯¯
are tangent to circle A
at points D
and C.
Also, DB=10x+16
and CB=5x+20.
The diagram of circle A as described in the problem. What is the length of CB¯¯¯¯¯¯¯¯?
Responses

16
16

24
24

45
4 fifths

85

1 answer

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