Quinn simplifies four linear equations. The variable e, f , g , and h are real numbers and e

≠

f

≠

g

≠

h

What equation has infinitely many solutions?

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?