Answer:
Null
Explanation:
It entirely depends on the language you are using to implement this.
But generally by the rule of scope, "result" will return null since get() was not defined to accept any argument, and it neither know the global "x" not defined it's own x in the function.
Answer:
D. Low-level components are combined into clusters that perform a specific software sub-function
Explanation:
Normally, regression testing are done on a manual basis by simply re-executing a subset of the entire available test cases or it can be done automatically by utilizing playback tools or automated capture. Hence, from the options, a combination of low-level components into clusters that perform a specific sub-function does not align with how regression testing are done either manually or automatically.
Pie chart I believe that is the right answer
Materials
materials are the only physical thing