A gene that causes various coat patterns in wild and domesticated cats also causes a cross-eyed condition. The cross-eyed condition is slightly maladaptive (makes the cats less successful in the wild). Imagine an environment where one coat pattern is highly adaptive. However, it is also associated with the crossed eyes. The result is that both the coat pattern and the cross-eyed condition increase in a feline population over time. Which statement below accurately describe the example above?

6. What question does this correlated query answer? Begin your answer with “This query answers the question: which customers…” SELECT customer_id, first_name, last_nameFROM customers cWHERE NOT EXISTS( SELECT *  FROM orders o  WHERE o.customer_id = c.customer_id)ORDER BY first_name, last_name;

4. Find the movies that are the only movie released by a director (In other words, show the movies where the director has directed only one movie). Hint: Subquery is needed

1. Find the names of all reviewers who have provided ratings for movies, listed without any duplicates.

9. What are three advantages of using views?

Suppose D is a  4×6 matrix and S is a pxq matrix. Suppose we want to compute the product DS. Which is true?

What is the largest possible rank of a 7×3 matrix?

We know matrix multiplication does not commute in general. However, there are statements we can make in specific situations related to commutativity.    Determine whether each statement is true or false. 

A group of students is working on a puzzle. Each student has two pieces necessary to complete it. All the students need to complete the puzzle. This situation is an example of a(n) ________________. [BLANK-1]

Tereza believes that all Asians are good in math. This belief is an example of a(n)________________. [BLANK-1]