11. Calculate the number of ways in which a) 9 children can be divided into groups of 2 and 3.

b) 9 children can be divided into groups of 3 and 4

Hence calculate the number of ways in which 9 children can be divided into groups
of 2. 3 and 4

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?