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Ship A leaves port sailing north at a speed of 25 mph. A half hour later, ship B leaves the same port sailing east at a speed of 16 mph. Let t (in hours) denote the time ship B has been at sea. Find an expression in terms of t giving the distance between the two ships and use this expression to find the distance between the two ships 2 hours after ship A has left port. Round the answer to the nearest tenth.
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Determine whether the statement is true or false.
The circle with equation 
lies inside the circle with equation 
provided 
lies inside the circle with equation provided (True/False)
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(40) Find an equation of the circle that satisfies the conditions.
Center 
and passes through 
.
and passes through . (Essay)
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