Each interior angle of a regular polygon measures 90.
How many sides does the polygon have?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

One integer is 8 times another. if the product is 72, then find the integers

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