Solve the system by substitution.
x - 
y = -18
x + 
y = -9
A. {(-12, 0)}
B. {(0, 12)}
C. {(0, -12)}
D. {(12, 0)}
Answer: A
Mathematics
You might also like to view...
Express the given complex number in polar form.3.042e3.859j
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Name the following line in three different ways. 
What will be an ideal response?
Mathematics
Give the coordinates for the vertex for the parabola.x = y2 + 4y + 10
A. (0, 2) B. (6, -2) C. (10, 0) D. (-2, 6)
Mathematics
Solve the system of equations. 3x - y = 6 2y + z = 20x + 4z = 13
A. {(5, 9, 2)} B. {(-5, -9, -2)} C. ? D. {(10, 18, 4)}
Mathematics