which of the following best describes the index value used to access the very last character in a string

When copying and pasting text, the first step is move your cursor type the text select the copy command select the paste command

The initial tableau of a linear programming problem is given. use the simplex method to solve it. x 1 x 2 x 3 s 1 s 2 z 1 2 4 1 0 0 8 3 4 1 0 1 0 10 minus3 minus12 1 0 0 1 0 the maximum is nothing when x 1equals nothing, x 2equals nothing, x 3equals nothing, s 1equals3, and s 2equals0. (be sure to simplify to lowest terms if necessary.)

Which of the following "invisible" marks represents an inserted tab?