Simplify the expression. Assume all variables represent nonzero real numbers.(-3x6y)(-3x2y5)

A. -6x8y5
B. -9x8y5
C. 9x8y6
D. 9x12y5


Answer: C

Mathematics

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Answer the question.What does the digit 4 mean in the number 189,247?

A. 4 thousands B. 4 ones C. 4 tens D. 4 hundreds

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Divide.

A. 16x2 + 1 B. 16x2 + 4x + 1 C. 16x2 - 4x + 1 D. 16x2 + 4x - 1

Mathematics

Use the Gauss-Jordan method to compute the inverse of the matrix  .

What will be an ideal response?

Mathematics

Find an equation for the line tangent to the graph of the given function at the indicated point.f(x) = x2 + 2 at (2, 6)

A. y = 2x - 2 B. y = 4x - 6 C. y = 4x - 2 D. y = 4x - 4

Mathematics