What multiplication sentence can be used to solve 12 * 8

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

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left