You are miguel cervantes de navas y colon, captain in the royal spanish army in sevilla in the year 1842. outside your barrack window is a stack of cannonballs as shown in the illustration. on idle you decide to calculate the number of cannonballs in the stack. what is the number of cannonballs.

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?