Find the determinant of the matrix and determine if the matrix is invertible 
What will be an ideal response?
0, not invertible
Mathematics
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Locate the fraction on the number line.
A.
B.
 ? |
C.
 ? |
D.
Mathematics
Identify the cut edges in the graph or say there are none.
A. AB and AD B. AD C. AB, AC, AD, and BC D. None
Mathematics
Solve the problem.Consider a project consisting of nine tasks (A through I) with the following processing times (in hours): 
D(3), E(6), F(4), G(8), H(7), and I(4). If a schedule with four processors has a finishing time of 15 hours, what is the total idle time in the schedule?
A. 6 hours. B. 8 hours. C. 2 hours. D. 4 hours. E. none of these
Mathematics
Solve the equation.20y = 16
A. y = 
B. y = -4
C. y = 
D. y = 4
Mathematics