What is the distance between (5,9) and (-7,-7)

What is the range for 31,39,29,34,37,24,36,33,34,28

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !