What are some ways to insert a row or column? Check all that apply.
1)double-clicking on the row or column and clicking Insert Row or Insert Column
2)right-clicking on the row or column heading and clicking Insert
3)opening the Page Layout tab, clicking Cells in the Tables group, and clicking Rows or Columns
opening the Home tab, clicking 4)Insert in the Cells group, and clicking Insert Sheet Rows or Insert Sheet Columns

The answer is phishing : )

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 + '%';   }}