Division of whole numbers is associative, true or false? if false then what is correct? plz and you for the

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?