Subtract.72

A. 66
B. 98
C. 46
D. 42


Answer: C

Mathematics

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Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 7x - y + 9z = 70-5x - 2z = -30  6y + z = 23

A. (4, 5, 3) B. (-4, 3, 8) C. (4, 3, 5) D. No solution

Mathematics

Perform the indicated operations.(8x2 + 13x - 14) - (5x2 + 19x + 2)

A. 3x2 - 6x + 16 B. 3x2 - 6x - 12 C. 3x2 - 6x - 16 D. 3x2 + 18x - 12

Mathematics

The circle in the figure below has a radius of r and center at C. The distance from A to B is x, the distance from A to D is y, and the length of arc BD is s. For the following problem, redraw the figure, label it with the values given, and then solve.

? If  and , find x. ? Apply the rules regarding the use of significant digits after all computations are complete. ? ? A.
B.
C.
D.
E.

Mathematics

Find the slope of the line.x + 6y = 1

A. m = -6
B. m = 1
C. m = 
D. m = - 

Mathematics