A group of physicians conducts a study to find the success rate of different treatments for an illness. They select one hospital at random and obtain a list of patients who have received each treatment. They select every fifth patient on the list and contact that patient. What is the sample in this study?

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation:

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.