The term used to describe how the model should be created and how it should behave when it is changed.

For a typical middle-income family, what is the estimated cost of raising a child to the age of 18? $145,500 $245,340 $304,340 $455,500

Which company provides a crowdsourcing platform for corporate research and development? a: mtruk b: wiki answers c: mediawiki d: innocentive

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct