About to take an intro to stats test, can anyone help me $$

How do you write y-10=2 (x-8) in standard form

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

Ineed on this question me get the answer