Which of the following is a counter example for the claim that that √x^2 = x

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

What is the distance between the points (2, 5) and (5,9)?