The margin is the selling price minus the cost. On the "Non Fiction workshoot, add a formula to the cells in tho "Margin" column that calculates the Margin for each book. The formatting for the column should not be changed.

You need a reliable network for about twenty-five computers that will be distributed across a large building. it is important that the network be relatively cheap. which topology should you use?

Write a method named addall that could be placed inside the hashintset class. this method accepts another hashintset as a parameter and adds all elements from that set into the current set, if they are not already present. for example, if a set s1 contains [1, 2, 3] and another set s2 contains [1, 7, 3, 9], the call of s1.addall(s2); would change s1 to store [1, 2, 3, 7, 9] in some order. you are allowed to call methods on your set and/or the other set. do not modify the set passed in. this method should run in o(n) time where n is the number of elements in the parameter set passed in.

Elements such as fonts colors visual structure graphics and the interface of a web page should complement each other to ensure blank