What additional information do you need to prove ABC ADC by the SAS Postulate?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

What is the difference between regular convex and concave polygons