Pls pls which words or phrases describe parallel lines?

select all that

common points
coinciding
coplanar lines
perpendicular
never intersect

The solution set for 5v2 – 125 = 0 is

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Is a positive integer raised to a negative power always positive