Help!! math algebra 1

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

What is x and y intercepts for y=x+7

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv