Solve the system of equations by elimination.x + y = -2x - y = 13
A. (2, 5.5)
B. (5.5, 7.5)
C. (5.5, -7.5)
D. (2, -7.5)
Answer: C
Mathematics
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Solve the initial value problem for y as a function of x.(16 - x2) 
= 1, y(0) = 3
A. y = 
ln 
+ 3
B. y = 
ln 
+ 3
C. y = 
ln 
D. y = 
+ 3
Mathematics
Determine whether the given function is even, odd, or neither even nor odd.
A. Odd B. Even C. Neither
Mathematics
Simplify.(4x2 - xy - y2) + (x2 + 9xy + 11y2)
A. 5x2 + 8xy + 10y2 B. 3x2 - 10xy - 12y2 C. 5x2 + 10xy + 12y2 D. 4x2 + 9xy + 11y2
Mathematics
Perform the indicated operations. Simplify if possible.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics