A printer holds 500 sheets of paper. After printing it held 210 sheets. Of the sheets that were printed, 1/2 of them were color and 1/2 of them were gray-scale. Which equation can be used to find s, the number of sheets that were printed in color? A). s/2-500=210
B). 500-1/2s=210
C). 210-500=2s
D). 500-2s=210

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?