A model of a rectangular stove top with four circular burners is shown. The side lengths of the stove top and the diameters of the burners are labeled. Which measurement is the best estimate of the area in square inches of the stove top that does not include the area of the burners?
A)108 in.2
B)492 in.2
C)420 in.2
D)528 in.2

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?