Which of the following are signatures for constructors in the Rectangle class? Choose all options that apply.

A. Rectangle(double len1, double len2, double len3, double len4)

B. Rectangle(double len)

C. Rectangle(int len)

D. Rectangle(int len, int wid)

E. Rectangle()

F. Rectangle(double len, double wid)

The great length of north america causes the climate to be varied. true false

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

Competent nonverbal communication involves interacting with others in a manner that is appropriate for which of the following? select all that apply. situation task individuals