The intersection of two circles can be . Circle? A line segment ? Three points? An arc ?

Which of these choices show a pair of equivalent expressions?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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