How to find angle measures and segment length

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Find the domain of the following expression: 1/(√x)-2

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality