Evaluate using substitution.
Mathematics
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Use the following definitions to determine if the statement is true or false. N = {x : x is a natural number}I = {x : x is an integer}R = {x : x is a real number}W = {x : x is a whole number}Q = {x : x is a rational number}W is a subset of W, I, Q, and R.
A. True B. False
Mathematics
Determine whether the matrices are inverses. 
, 
A. No B. Yes
Mathematics
Find the sum.
A. - 6 B. 7 C. 6 D. Does not exist
Mathematics
Provide an appropriate response.For the matrix 
write the minor of the element in the second row, third column. (Do not evaluate.)
A.
det 
B.
det 
C.
det 
D.
det 
Mathematics