Choose all selections that represent the domain of the relation, {(2,5)(3, 6)(2,8)}?

{2,3}

Step-by-step explanation:

Domain are the x-axis numbers ordered from least to greatest

Range is the y-axis numbers ordered from least to greatest

This is the symbol when you are ordering the range and domain { }

If a range or domain number is repeated, you only put it once

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length