The slider is used to do the mixing of colours.

To insert a column without using commands in any tabs, a user can -click and then click insert column.

1. declare a constant named cents_per_pound and initialize with 25. 2. get the shipping weight from user input storing the weight into shipweightpounds. 3. using flat_fee_cents and cents_per_pound constants, assign shipcostcents with the cost of shipping a package weighing shipweightpounds.

Which feature is selected to practice and save the timing of a presentation