Solve the system using Gauss-Jordan elimination.  If  (x, y, z, t)  is the solution to the system, give the value of  .
?

?

A. 39
B. -1
C. 15
D. -23
E. -17


Answer: B

Mathematics

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A. 50 B. 40 C. 43 D. 90

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Provide an appropriate response.Explain how (a - b)2 differs from a2 - b2 by expanding (a - b)2.

What will be an ideal response?

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Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 

A.
B.
C. (0, 14)
D. none

Mathematics

Perform the indicated operations. Write the resulting polynomial in standard form.(3x + 8)2

A. 9x2 + 64x + 48 B. 3x2 + 47x + 64 C. 3x2 + 48x + 47 D. 9x2 + 48x + 64

Mathematics