Write each of the following statements in the form "if-then".
(i) You get a job implies that your credentials are good.
(ii) The Banana tree will bloom if it stays warm for a month.
(iii) A quadrilateral is a parallelogram if its diagonals bisect each other.
(iv) To get an A+ in the class it is necessary that you do all the exercises of the book.
(i) If you get a job then you credentials are good.
(ii) If it stays warm for a month then the banana trees will bloom.
(iii) If the diagonals of a quadrilateral bisect each other then it is a parallelogram.
(iv) If you get an A+ in the class then you did all the exercises in the book.