Compute.-(-(-19))
A. 
B. 0
C. -19
D. 19
Answer: C
Mathematics
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Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered pair. 5x + y = 27 6x + 2y = 30
A. (6, -6) B. (-3, 6) C. (6, -3) D. (-3, -6)
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Plot the points in the table in the xy-plane.
A. 
B. 
C. 
D. 
Mathematics
Write the first three terms of the geometric sequence with a = 2 and r = 4.
A. 2, 8, 32 B. 2, 6, 10 C. 2, 8, 32
Mathematics
Solve the problem.The sum of the angles of a triangle is 180°. Find the three angles of the triangle if one angle is three times the smallest angle and the third angle is 25° greater than the smallest angle.
A. 16°, 41°, 123° B. 16°, 48°, 116° C. 31°, 93°, 56° D. 22°, 66°, 92°
Mathematics