Solve the system of equations.
A. x = z - 2, and y = -3z - 5, where z is any real number
or {(x, y, z) |x = z - 2, and y = -3z - 5, where z is any real number}
B. x = 3z + 5, and y = z - 2, where z is any real number
or {(x, y, z) |x = 3z + 5, and y = z - 2, where z is any real number}
C. x = -3z - 5, and y = z + 2, where z is any real number
or {(x, y, z) |x = -3z - 5, and y = z + 2, where z is any real number}
D. inconsistent
Answer: C
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DXIX
A. 7,401,519 B. 7,501,919 C. 7,401,809 D. 7,151,519
Solve the problem.Find the length of 
. Round to the nearest tenth. A(4, 3), B(-7, -10)
A. 3.2 B. 17.0 C. 7.6 D. 18.0
Determine whether a radical function would be a good model of the given data.
A. Yes B. No
Use a graphing calculator to estimate f '(a) for the given value of a.f(x) = 
; a = -1
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