Are designed to stop an undesirable event from occurring, whereas controls are designed to identify an undesirable event that has already occurred.

Complete/Correct Question:

controls are designed to stop an undesirable event from occurring, whereas controls are designed to identify an undesirable event that has already occurred.

a. Preventive; detective

b. Internal; external

c. Risk; discovery

d. Operating; review

a, Preventive, detective

Explanation:

Preventive controls, just as the name implies, are control that stop an event from occurring. An example is taking vaccines. It is a preventive measure of ensuring that some certain illnesses and/or diseases do not happen at that time or in future.

Also, detective controls are controls that are put in place to identify unpleasant events that have occurred. An example is the engine oil indicator on the dashboard of a vehicle showing that the vehicle engine oil has become empty or greatly depleted.

Cheers.

x=3

step-by-step explanation:

this is really simple i saw that there was only one term (5x) and thought if that was 15 what would i have to multiply everything else to get it there? well if 5x became 15 then x would have to be 3 so plug the 3 in the x for the other equations and you get 15 for the other ones. so there you go. : )

b. take periodic breaks and alternate between tasks.  

will increase work efficiency, and avoid health issues.