Solve the system of equations by Gauss-Jordan elimination.
A. {(0, -4, 0)}
B. {(0, -4, 4)}
C. {(0, 0, -4)}
D. ?
Answer: A
Mathematics
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Convert the units.10 L = 
mL
A. 0.01 mL B. 1000 mL C. 1 mL D. 10,000 mL
Mathematics
Multiply and simplify.Two-fifths of ten
A. 
B. 
C. 
D. 4
Mathematics
Write an equation for a function that has a graph with the given characteristics.The shape of y = ?x? is vertically stretched by a factor of 1.5. This graph is then reflected across the x-axis. Finally, the graph is shifted 0.19 units downward.
A. f(x) = 1.5?-x? - 0.19 B. f(x) = -1.5?x? - 0.19 C. f(x) = 1.5?x - 0.19? D. f(x) = 1.5?x? - 0.19
Mathematics
Find the determinant of the matrix and determine if the matrix is invertible 
What will be an ideal response?
Mathematics