At the age of 6, Travis' father gave him his baseball card collection. Now, Travis collects baseball cards. He collects an average of 500 cards a year. The collection that Travis received from his father had 3,500 cards in it. How old will Travis be when he has 6,000 cards in his collection?

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

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Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?