Which classification best represents a triangle with side lengths 6cm,10cm and 12cm

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 ?

What is the value for this expression? 2e-5

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i