Find arithmetic mean between 56 and 64​

Two lines parallel to a third line are parallel to each other. always sometimes or never

In the 30-60-90 triangle below side s has a length of and side r has a length

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