What is the coefficient of x2 y3 in the expansion of (2x+y)5

a 2

b 5

c 40

d it does not exist

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

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