Why do we have to retest subclasses that are instantiated from an existing class, if the existing class has already been thoroughly tested? Can we use the test-case design for the existing class?

What are the three uses of a screw?

Jace needs to answer a question on square roots to win a quiz. how can he use a spreadsheet to find the square root of 786? a. use the functions round and count b. create a table and chart c. use the function sqrt d. use the function now

How does is make you feel when you're kind to others? what are some opportunities in your life to be more kind to your friends and loved ones? imagine a world where kindness has be outlawed. how would people act differently? would your day-to-day life change significantly? why or why not?