Change the mixed number to an improper fraction.
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Write the improper fraction as a mixed or whole number.
A. 
B. 
C. 
D. 7
Mathematics
Simplify. Assume that all variables represent nonnegative numbers.
2
A. Not Possible B. 2j C. j D. jj
Mathematics
Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. x + y + z = -1 x - y + 5z = -214x + y + z = -7
A. {(-3, -2, 4)} B. Cramer's rule does not apply since D = 0; ? C. {(-3, 4, -2)} D. {(-2, 4, -3)}
Mathematics
Find all solutions of the equation.
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?
A. 
B. 
C. 
D. 
E. 
Mathematics