Simplify the expression (2k+3)(k-1) explain a. 2k^2+k-3 b. 2k^2+k+2 c. 2k^2-k-3 d. 2k^2-k+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?