Solve the system by the addition method.7x + 9y = 99x - 3y = -3
A. {(1, 1)}
B. {(0, 0)}
C. {(0, 1)}
D. {(1, 0)}
Answer: C
Mathematics
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Use the given vectors u, v, w, and z to draw the indicated vector. 
3w
A. 
B. 
C. 
D. 
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.- 
x + 
= 
x + 
A. 
B. 
C. 
D. - 18
Mathematics
Solve. x + y + z = 1 x - y + 2z = 04x + y + z = -11
A. (-4, 3, 2) B. (-4, 2, 3) C. (3, -4, 2) D. (3, 2, -4)
Mathematics