What is the difference of these fractions? use the number line and equivalent fractions to help find the answer -1 1/4+1/2

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.

Identify the number as a rational or irrational.explain. 127

F(x)=5/6x+3 which of the following is true