Pls : jeff's mom bought a platter of sandwiches for jeff's party. the platter cost $88.35. there were 15 sandwiches on the platter. if each sandwich cost the same price, how much did 1 sandwich cost?

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.