What is the name of the efficient application of procedures with accuracy

What is the distance between (–2 1/2,-3) and (1, –3)?

On this question. a hypothermia occurs when a person's body temperature drops below 95 degrees fahrenheit. write and solve an inequality that describes how much lower the body temperature of a person with hypothermia will be than the body temperature of a person with a normal temperature of 98.6 degrees fahrenheit

Find the average rate of change for the given function drom x=1 to x=2