in a different game, the probability of guessing which of 5 boxes contains a tennis ball is 1/5. about how many winners would be expected if 60 contestants play the game?

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

Which expression is the factorization of x^2+10+21