Which system of equations is represented by this graph?

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

How does percent markup and percent discount relate to percent of change?