Simeone please help me its the end of the school year. Fr can Someone take the time out Their day 2 help me plz.?​

1. what is the measure of ∠abc? what is the measure of ∠abd?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

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