Find the intersection of the three sets: a = {–4, 3, 10}, b = {3, 6, 10, 15}, c = {–4, 10, 20}. {10} {–4, 3, 10} {–4, 3, 6, 10, 15, 20} {–4, 10}

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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