Complete the factorization of 4x2 – 9.

4x2 – 9 = ( x – )( x + )

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Need plz been trying to do it for a long time and still haven’t succeeded

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.