Without graphing, show that (-1, 2), (4, -3), and (5,0) are vertices of a right triangle. Hint: What do you know about the slopes of perpendicular lines?

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

  cassidy wants to cut the yellow fabric into strips that are 0.3 yards wide. how many strips of yellow fabric can cassidy make? yellow fabric 16 yards for $108.00.

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