Pls answer fast. Deciding when to quote an original e-mail is one challenge of effective communication. In which of the following e-mails should you quote the original e-mail? (select all that apply) You respond to a price quote from a sales representative to tell them you need to think about the price.

You want to schedule a new meeting with a group you met with last week.

A coworker wants you to review an e-mail she is sending to a vender for clarity.

You want to start a new discussion with a contact who e-mailed you a newsletter a couple months ago.

Write c function that can replace all the positive elements to 0 and negative to 1 in undefined length one-dimensional array. test your program in the main program by defining one-dimensional array of 6 elements

To insert a column without using commands in any tabs, a user can -click and then click insert column.

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;