Kendra learned to sing a total of 14 pieces over the course of 7 weeks of voice lessons. how many weeks of lessons will kendra need before she will be able to sing a total of 24 pieces?

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In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

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