Determine whether the given matrix is stochastic.
a. No
b. Yes
a. No
Mathematics
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Perform the indicated operation.
A. 2
B. -8
C. -2
D. 
Mathematics
Perform the indicated operations and simplify.2.26 + 2.67 ? 2.43 - 2.79
A. 5.9581 B. 4.57 C. 9.1899 D. -1.7748
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 1
B. 
C. 
D. 
Mathematics
Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (0, 0)
foci at (- 
, 0) and (
, 0)
vertices at (-4, 0), (4, 0)
B. center at (0, 0)
foci at (-4, 0) and (4, 0)
vertices at (-16, 0), (16, 0)
C. center at (0, 0)
foci at (0, - 
) and (0, 
)
vertices at (0, -4), (0, 4)
D. center at (0, 0)
foci at (0, -3) and (0, 3)
vertices at (0, -9), (0, 9)
Mathematics