Which set of side lengths is a pythagorean triple?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

Can someone me with these two circle theorem questions asap?

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)