Karen is looking at column in Rome and she is frustrated and confused about how tall the column is, so she places a mirror 100 ft. from the column, stands 10 ft from the mirror and is able to see the top of the column. If Karen is 5 ft. 6 in tall, how tall is the column?
The column is
ft tall.

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