Carl has three lengths of cable, 5/6 yard long, 1/4 yard long, and 2/3 yard long. If he uses 1 yard of cable, how much cable is left? Please explain how you did it :)

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Answer! if you don’t mind, can you explain

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points