Can anyone help me with coding

Consider the usual algorithm to convert an infix expression to a postfix expression. suppose that you have read 10 input characters during a conversion and that the stack now contains these symbols: (5 points) | | | + | | ( | bottom |_*_| now, suppose that you read and process the 11th symbol of the input. draw the stack for the case where the 11th symbol is

The hybrid uses 144 to 158 volt batteries.

Which of the following is true of heuristics? a)heuristics always lead to correct solutions of a problem. b)heuristics represent commonly used approaches to the solution of a problem.c) heuristics are a slower way to solve problems than are other strategies. d)heuristics are used by computers but not by humans as problem-solving tools.