Which ordered pair is a solution of the equation?

y=−2x+5

What are “like terms”? why can we only add like terms?

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

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg