Solve the system by the substitution method.x + y = 7x2 + y2 = -16y + 109
A. {(6, 1), (-5, 12)}
B. {(1, 6, (12, -5)}
C. {(-6, 13), (5, 2)}
D. {(13, -6), (2, 5)}
Answer: D
Mathematics
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Solve.2x2 + y2 = 35x2 - y2 = 53
A. (2
, -i
), (2
, i
)
B. (-2
, i
), (2
, i
)
C. (-2
, -
), (-2
, 
), (2
, -
), (2
, 
)
D. (-2
, -i
), (-2
, i
), (2
, -i
), (2
, i
)
Mathematics
Perform the indicated operation.34eight + 61eight
A. 106eight B. 115eight C. None of these D. 105eight
Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.If an equation indicates addition in its presentation, in order to solve for the unknown you must:
A. add B. divide C. multiply D. subtract
Mathematics