Find the determinant of the matrix and determine if the matrix is invertible 
What will be an ideal response?
0, not invertible
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Solve the problem.Dave puts a collection of 15 books on a bookshelf in a random order. Among the books are 2 fiction and 13 nonfiction books. What is the probability that the 2 fiction books will be together on the left side of the shelf and the 13 nonfiction all together on the right side of the shelf?
A. 0.01809 B. 0.01619 C. 0.00952 D. 0.01333
Factor out the greatest common factor, or a negative common factor if the coefficient of the term of greatest degree is negative.-t11 - 18t5
A. -t5(t6 + 18) B. t(t10 - 18t4) C. -t5(t6 - 18) D. t6(t5 - 18)
Use only the graph of 
to find the x-intercepts of the graph and the solutions of the equation 
f(x) = x2 - 19x + 90
A. x-intercepts: (0, 9) and (0, 10) solutions: -9, -10 B. x-intercepts: (9, 0) and (10, 0) solutions: 9, 10 C. x-intercepts: (9, 0) and (10, 0) solutions: -9, -10 D. x-intercepts: (0, 9) and (0, 10) solutions: 9, 10
Evaluate the expression for the given value or values.6x, for x = -5
A. 30
B. - 
C. -30
D. - 