Diego is building a kitchen table and a coffee table. The legs of a kitchen table must be twice the height of a coffee table, and there are 4 legs on each table. He writes the expression 4(2x) + 4(x) to model his building plans. What does the entire expression represent? The sum of the heights of all kitchen table legs
The sum of the heights of all coffee table legs
The sum of the heights of all table legs
The sum of the heights of all kitchen and coffee tables

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2

When creating passwords for secure accounts, which of the following rules should you apply? a.use personal information that is easy to remember.use a variety of letters, numbers and characters.use a sequence or pattern of numbersd.use the same password for all accounts