5 Which of the following statements is true (a) C++ operators+/ ) are evaluated from left to right. (b) C++ statement is not case sensitive. (c) Some C++ statements may end with a colon. (d) A C++ program that prints three lines of output may use one statement via cin. Given the statement int x=4, cout statement to output: 6 which of the following is a valid y=5; The product of 4 and 5 is 20 (a) cout