read data from the input. txt file containing the lengths of 2 sides a, b of a rectangle separated by spaces. Adjust the perimeter and area of this rectangle and then output some output. txy files

What program are you using? what os?

If your choices are the following: control + tabshift + tabcontrol + homeshift + homethen the correct answer would be control + home.

What are the answer choices ?

Function tipcalculate (slider, bill){  var tip = document.getelementbyid('tipamount');   var slideval = document.getelementbyid('slideval');   var bill = document.getelementbyid(bill).value;   var prcnt = slider * .01;       if (bill == null || bill == '') {      tip.innerhtml = ' enter an amount';       return false;   }  if(isnan(bill)) {      tip.innerhtml = ' enter a number';       return false;   }  if(bill > = 0){      tip.innerhtml = '$' + (bill * prcnt) .tofixed(2);   slideval.innerhtml = slider + '%';   }}