Rewrite the expression using a determinant. Show all your work.
What will be an ideal response?
Answers will vary. One possible solution follows.
= 
= 
(a) + 
(b) = 
(a) - 
(-b) = 
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Firms use multiproduct strategies to diversify for all of the following reasons except
A. smoothing out revenue and earnings flows. B. reducing the risk of having a single product line. C. developing economies of scale. D. gaining exposure to different technologies.
Perform the indicated operation.v = 3i + 2j - 6k and w = 2i + 4j + 3k
Find 3v + 4w.
A. 5i + 6j - 3k B. 11i + 10j - 15k C. 11i + 18j + 6k D. 17i + 22j - 6k
Use both the addition and multiplication properties of inequality to solve the inequality. Graph the solution set on a number line.25n + 45 ? 5(4n + 18)
A. (9, ?)
B. [9, ?)
C. (-?, 9) 
D. (-?, 9] 
Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.7x + 8y = 714x + 16y = 5
A. 
B. 
C. ?
D. {(0, 0)}