What is the name given to a value that does NOT change when used within a formula? * A. Address

B. Reference

C. Constant

D. Function

Consider the following statements: struct nametype{string first; string last; }; struct coursetype{string name; int callnum; int credits; char grade; }; struct studenttype{nametype name; double gpa; coursetype course; }; studenttype student; studenttype classlist[100]; coursetype course; nametype name; mark the following statements as valid or invalid. if a statement is invalid, explain why.a.) student.course.callnum = "csc230"; b.) cin > > student.name; c.) classlist[0] = name; d.) classlist[1].gpa = 3.45; e.) name = classlist[15].name; f.) student.name = name; g.) cout < < classlist[10] < < endl; h.) for (int j = 0; j < 100; j++)classlist[j].name = name; i.) classlist.course.credits = 3; j.) course = studenttype.course;

How would you categorize the software that runs on mobile devices? break down these apps into at least three basic categories and give an example of each.

In the rgb model, which color is formed by combining the constituent colors? a) black b) brown c) yellow d) white e) blue