Which lines are parallel? (1,3)(2,-1) (-2,1)(-5,2)(-4,-1)

Find the total area for the regular pyramid ( follow the answer set up in the picture)

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.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much