Perform the indicated operations. Simplify the answer.
? 
A. -2i
B. -2
C. 2
D. 2i
Answer: B
Mathematics
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Solve the system using matrices. If there is no solution or if there are infinitely many solutions and a system's equations are dependent, so state.
A. {(6, -7)} B. {(6, 7)} C. no solution or ? D. infinitely many solutions; dependent equations
Mathematics
Solve.Write the largest four-digit number that can be made from the digits 3, 2, 7, and 1 if each digit must be used once.
A. 7312 B. 1237 C. 7321 D. 3721
Mathematics
If 
with A in QIII
?
find 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the equation.
= 
A. 0
B. 8
C. 
D. No Solution
Mathematics