Find the Indicated Matrix $- 4 A - 5 ( A - B )$

question 45

Multiple Choice

Find the indicated matrix.
-Find $- 4 A - 5 ( A - B )$
$A = \left[ \begin{array} { r r r } 4 & 8 & 0 \\9 & 8 & - 4\end{array} \right] \text { and } B = \left[ \begin{array} { r r r } 8 & 2 & - 1 \\- 6 & 5 & 8\end{array} \right]$

• A) \(\left[ \begin{array} { r r r } - 4 & 62 & 5 \\ 111 & 47 & - 76 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r r } 4 & - 62 & - 5 \\ - 111 & - 47 & 76 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r r } - 76 & - 82 & 5 \\ - 51 & - 97 & - 4 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } - 36 & - 2 & 5 \\ 39 & - 17 & - 44 \end{array} \right]\)

Recognize the causes and effects of major mass extinctions.

Distinguish between the different methods used to date fossils and geological events.

Identify key evolutionary milestones in the history of life on Earth.

Describe the processes that have shaped Earth's geological features over time.

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