HELP Which equation finds the volume of a cube with a side length of 2n6 units?
3
18
cubic units
o (210) - Bn?
(210)"
= 2n18
cubic units
•
o 2(10)* 2nte cubic units
O2(70) * - 6n18
cubic units

Need on this geometry question. explain how you did it.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?