Decide whether or not the matrix is a probability vector. 
A. Yes
B. No
Answer: B
Mathematics
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Find the total area of the region between the curve and the x-axis.y = -x2 + 9; 0 ? x ? 5
A. 
B. 
C. 
D. 
Mathematics
Translate the following into an equation where x represents the unknown number. Then solve the equation for x.The difference of a number and 
is 0.
A. x + 
= 0, x = - 
B. x - 
= 0, x = 
C. x - 
= 0, x = 9
D. x + 
= 0, x = - 9
Mathematics
Provide an appropriate response.Find the area of the lattice polygon.
A. 12 B. 6 C. 18 D. 9
Mathematics
Arrange the group of numbers in order, from least to greatest.5.25, 5
, 5.52, 5
A. 5.25, 5.52, 5
, 5
B. 5.25, 5
, 5.52, 5
C. 5
, 5.52, 5
, 5.25
D. 5
, 5
, 5.25, 5.52
Mathematics