Multiply.(x - 4)(8x2 + x + 7)

A. 8x3 + 31x2 + 3x - 28
B. 8x3 - 33x2 + 3x - 28
C. 8x3 - 31x2 + 3x - 28
D. 8x3 - 31x2 + 11x - 28


Answer: C

Mathematics

You might also like to view...

The centroid of a triangle lies at the intersection of the triangle's medians, because it lies one-third of the way from each side towards the opposite vertex. Use this result to find the centroid of the triangle whose vertices appear as following.(-2, 0), (2, 0), (0, 7)

A. (0, )
B. (0, 7)
C. (0, )
D. (0, )

Mathematics

Find the volume of the indicated region by an iterated integration.The tetrahedron bounded by the coordinate planes and the plane  

A. 30 B. 45 C. 90 D. 60

Mathematics

Solve the problem.A contractor needs to know the height of a building to estimate the cost of a job. From a point  away from the base of the building, the angle of elevation to the top of the building is found to be  Find the height of the building. Round your answer to the hundredths place when necessary.

A. 80.32 ft B. 84.75 ft C. 81.85 ft D. 86.08 ft

Mathematics

Determine the standard deviation by filling in the table as part of your calculation.Consider the following data: 3, 5, 9, 6, 7, 6

A. 0.53 B. 1.83 C. 1.29 D. 1.05

Mathematics