Find the sum of three consecutive odd numbers if the largest one is m. (It needs to be an expression)

PLS HELP ME FAST!!!

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

For what value of (y) is 3^3/3^y =1/9

Find the solution of each of the following.