Show how backtracking can be use to solve this problem. To select variables, use the most constrained variable heuristic, breaking ties using the most constraining variable heuristic. If ties still exist, break them alphabetically. To select values, use the least constraining value heuristic. If ties still exist, break them numerically (e. g., 1 before 2). Indicate the first 30 branches visited in the search tree (or stop when the solution is reached). Write them in text form with each branch on one line. For example, suppose we had variables X, Y and Z with domains 0, 1, and constraints X6=Y, Y=Z. The first three branches visited in the search tree should be written as

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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 !

What are the choices for this question?