What is the greatest common factor of 243 and 324 ?

A: 3x3x3x3= 81
B: 4x3x3x3x3x3= 972
C: 2x2x3x3= 36
D: 2x3x3= 54

Select the correct answer from each drop down menu

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.

What are the exclude value of mn+3m