Find the vector v having length |v| = 4, and direction ? = 225°.
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Mathematics
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Solve the inequality and write the solution set in interval notation.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
Mathematics
Decide whether or not the transition matrix is regular.
A. Yes B. No
Mathematics
Find the foci and vertices of the ellipse.25x2 + 4y2 = 100
A. foci at (- 
, 0) and (
, 0)
vertices at (-5, 0), (5, 0)
B. foci at (0, - 
) and (0, 
)
vertices at (0, -5), (0, 5)
C. foci at (0, -5) and (0, 5)
vertices at (0, -25), (0, 25)
D. foci at (0, 5) and (2, 0)
vertices at (0, 25) and (4, 0)
Mathematics