Solve the system of linear equations. If the system has infinitely many solutions, describe the solution with an ordered triple in terms of variable z.x + 3y + 2z=114y + 9z=-12x + 7y + 11z=- 1
A. 
B. 
C. 
D. 
Answer: B
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Which of the following is a definition of a reflection transformation? ?
A. ?The shape flips about a horizontal, vertical, or diagonal line. B. ?The shape undergoes dilation as it moves horizontally. C. ?The shape rotates 90? about a line or a point. D. ?The shape moves diagonally along a line. E. ?The shape stays in one location and dilates.
Solve the problem.A reflecting telescope has a parabolic mirror for which the distance from the vertex to the focus is 35 feet. If the distance across the top of the mirror is 62 inches, how deep is the mirror in the center?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Write as a single logarithm.log8 11 + log8 x + log8 6
A. log8 66x B. log8 (17 + x) C. 8 log (17 + x) D. 8 log 66x
Solve by using the quadratic formula.(x + 4)(x - 5) = 1
A. 
B. 
C. 
D. 