Editors' Workloads Were Increasing During the 1990s, as the Following

question 96

Multiple Choice

Editors' workloads were increasing during the 1990s, as the following table shows. $\begin{array} { | l | l | l | l | l | } \hline & \mathbf { 1 9 9 3 } & \mathbf { 1 9 9 4 } & \mathbf { 1 9 9 5 } & \mathbf { 1 9 9 6 } \\\hline \text { Books/Editor } & 2.9 & 4 & 4.8 & 5.5 \\\hline \text { Editors } & 20,000 & 18,000 & 9,500 & 10,000 \\\hline\end{array}$ Which matrix expression would estimate the total number of books edited during the years 1993-1996

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Definitions:

Sleep Cycle

The progression through various stages of non-REM and REM sleep that occur during a typical night, affecting sleep quality and health.

Napping

A short period of sleep, usually taken during the day, to supplement insufficient sleep at night or enhance alertness and performance.

Sleep Aid

A product or medication used to promote or improve sleep, often utilized by individuals with insomnia or other sleep disorders.

Caffeinated Coffee

A type of coffee beverage that contains caffeine, a stimulant that can enhance brain function and increase alertness.