Solve the system.2w + 2x - 6y + z = -13-w + x + 5y - z = 72w - x + y + 5z = -10 w + x + 2y - z = 11
A. (5, -6, -2, -5)
B. (2, -1, 5, -10)
C. (-5, -3, 2, -10)
D. (5, -3, 2, -5)
Answer: D
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Vertices at (0, 4) and (0, -4); asymptotes y = 
x and y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
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Use the substitution method to solve the system.5x - 7y = -212x + 2y = 6
A. (-1, 4) B. (0, 4) C. (0, 3) D. No solution
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Find the area of the circle. Use ? ? 3.14 and round to the nearest hundredth.diameter = 23 cm
A. 1661.06 cm2 B. 72.22 cm2 C. 415.27 cm2 D. 144.44 cm2
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. (0, 6)
D. (0, 4)
Mathematics