The arrows in this question indicated the determination of two attributes. For example, the arrow that goes ProductID to ProductDescription indicates that ProductID determines the ProductDescription. This in turn means that ProductId can be considered as primary key for ProductDescription. a) Write the tables b) Place the tables in 3rd normal form (if necessary) c) Create ERD based on the normalized tables

You forgot to add the possibilities. we don't know the options from which to choose.

For question 1, i'm a bit stuck between serif fonts or large enough type to read. serif fonts are good fonts to use because their easy to read. but you also need your type be large enough to read. if i had to say what you need to consider most important, i would say d is the answer.  for question 3, i believe the answer is d. it seems most appropriate to do that. on every page or every other page would be too much, and only on the contact page just seems inappropriate.  for question 4, it's probably a. by "color scheme" it doesn't mean just one color, but a set of colors. colors that are complimentary to each other. having too many is too distracting so it's best to limit it as much as possible, but not to the point where your website looks dull.hope this !

The correct answer is a.blueprint symbols.

A) to automatically add all numbers in all cells in a workbook