Help! I don't know how to start!

## Lisa from Scottsdale, AZ's Resources

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How do I start this problem?

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helppppppppppppppppp :(

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AB= 14+4X AC= 19-6x Making clear OC is just the radius its not the whole diameter. Help me please! I don't know what to do after I make equal the two tangents (I know they are congruent)...

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two boats leave the harbor at 9:00 am. Boat A sails north at 20 km/hr. Boat B sails west at 15km/hr. 158, How far apart are the two boats at noon? helppp...