What type of law is made when judges decide cases and then follow those decisions in later cases?

Sometimes endpoint detection requires an indicator. How does an indicator tell us the endpoint? 

Sole proprietorships have perpetual existence.

Name FOUR ways and image could be underexposed from the use of AEC

How does one determine the total volume delivered from a burette? 

A patient on long-term anticoagulation with a known platelet disorder presents after a fall. What sign would raise concern for serious bleeding?

Sometimes endpoint detection requires an indicator. How does an indicator tell us the endpoint? 

Congress passed the federal minimum wage, currently $7.25/hour. Wyoming passed its own statute, which set the minimum wage to $5.15/hour. Wyoming workers are only held to the state minimum wage unless their work takes them across state lines.

When using AEC, a density setting of +2 will allow for how much more exposure by increasing the exposure time?

When using AEC, a density setting of +2 will allow for how much more exposure by increasing the exposure time?