Why is it important to align the decimal points when adding

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.

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy

In the diagram of circle o, what is the measure of zabc?