Which equation has the same solution as x^2-6x-13=0?
a.) (x+3)^2=21
b.) (x-3)^2=21
c.) (x+3)^2=3
d.) (x-3)^2=3
explanation?

Volume of a cylinder with a radius of 13 in and height of 30 in

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.