Which relationship is always correct for the angles x, y, and z of triangle ABC? (1 point)

O 1) x + z = y
2) y + z = x
O 3) xy + z = 180 degrees
4) x + y + z = 90 degrees

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.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?