Find the vertex of the parabola.f(x) = x2 - 6x + 19
A. (0, 3)
B. (10, 0)
C. (10, 3)
D. (3, 10)
Answer: D
Mathematics
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Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.1.4x + 0.2y + 4.3z = 3.93.4x - 7.0y - 0.7z = -3.54.5x - 1.7y - 0.1z = -3.0
A. (-0.6, 0.1, 1.1) B. (-0.3, 0.0, 0.5) C. (-0.5, 0.1, 0.8) D. (-0.2, 0.0, 0.3)
Mathematics
Evaluate the expression.
A. 2310 B. 210 C. 462 D. 42
Mathematics
Find the sum.13 + (-3)
A. -10 B. 16 C. -16 D. 10
Mathematics
Write the number as an improper fraction.13
A. 
B. 
C. 
D. 
Mathematics