A sports store received a shipment of 400 baseball gloves. 30% were left-handed. How many lefthanded gloves were in the shipment?What are all the steps?

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.