Considering the following code segment:
if ( num < 0) {
alert("it's a negative num.");
}
else {
alert("it's a non-negative num.");
}
what will be displayed if num=0?
it's a positive num.
it's a non-negative num.
it's a zero.
nothing will be displayed.

Kiesha has a worksheet with a range of cells using the following columns: name, score, group, study group, and date. kiesha needs to sort the worksheet on the date field. which option she use to most efficiently complete this task ? a use the cut and paste option to reorganize the data to fit that order b use the filter function to organize the data based on the date c use the order function to organize the data based on the date d use the sort function to organize the data based on date order