19 feet
convert 2
into an improper fraction
2
= 
hence the length of the wall is 19 feet
20 it the least common multiple of the numbers given
Hello :
answer : <span>B (5x - 3)(2x - 1)
because : </span>(5x - 3)(2x - 1) = 10x²-5x-6x+3 = 10x²-11x+3
4x + 9 - (10/(3x)) I favored the x^2 then expanded and simplified each rational term