Which of the following expressions represents the distance between -2 and 1?

A: |1+(-2)|

B:|-2-1|

C: None of the Above

Please explain how I can get the correct answer for questions like these.

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

This question awards 100 ! i really don’t want to fail i will also mark you !

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?