Which expression represents the volume of a cube of edge length 5x?

a) 5x + 5x + 5x

b) 6(5x)^2

c) 125x^2

d) (5x)(5x)(5x)

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?