Is root 17 a surd. i need an answer to help me out with my maths homework

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

Iam at home. /: i am playing video games. translate the following statement into symbolic form.