$900
Explanation
First, you would need to find the area of the carpet which would be length x width, equaling to 400 ft., then you’d multiply the area of the carpet (400ft) by the cost for each square foot (2.25) leaving you with the total, $900
DE=FG
40=x+5
35=x
x=35
The value of x is 35
It’s kind of hard to read which number the ends are on. Can you take a better picture?
factor out the x+1 from the numerator and denominator to get
denominator: x³ - x = x(x² - 1) x(x-1)(x+1)
Answer: J