Multiply.(-8 + x)(3x - 6)
A. 3x2 + 48x - 30
B. x2 - 30x - 30
C. 3x2 - 30x + 48
D. 3x2 - 31x + 48
Answer: C
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At the outside wall the roof is 10 feet high. Also, 5 horizontal feet from the outside wall toward the interior of the room, the roof is 11 feet tall. What is the height of the roof 10 horizontal feet from the outside wall toward the interior of the room? ?
A. 12.10 feet B. 14.55 feet C. 15.22 feet D. 12.00 feet
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.-
A. x4 B. -x9 C. -x4 D. -x3
Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. no solution B. (0, 1, -4) C. (-4, 1, 0) D. (-4, 0, 1)
Study the examples. The arrows indicate the direction that the given cube has been rotated 90°. Pick the cube illustrating the appropriate rotations.
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Rotating a cube.
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Rotation: downward, downward
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What will be an ideal response?