Evaluate the radical expressions or indicate that the root is not a real number.
A. 16
B. -2
C. 2
D. not a real number
Answer: C
Mathematics
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Write a numerical expression for the phrase and simplify it.Seven-ninths of the difference between -9 and -27.
A. 7(9) [(-9) - (-27)]; 14
B. 
[(-9) - (-27)]; 14
C. 
+ [(-9) - (-27)]; 42
D. 7(9) [(-9) - (-27)]; 1134
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.-5x + 3y = 8-2x + 4y = 20
A. (-2, -6) B. (2, 6) C. (6, 2) D. (-6, -2)
Mathematics
Add.
+ 15 + -3 + -1
A. 
B. 7
C. 13
D. 
Mathematics
Use the graph to evaluate the expression.f(3)
A. 1 B. 2 C. Undefined D. 4
Mathematics