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
Answer: A
Mathematics
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Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.7
- 5
A. 18
B. 2
C. -18
D. cannot simplify
Mathematics
Provide an appropriate response.Perform the indicated operation and simplify: 3
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the exact value of the expression.tan 
A. 2 - 
B. 2 + 
C. -2 - 
D. 
- 2
Mathematics
Use your grapher to graph: 
Then sketch the graph.
Mathematics