For the first one, repeat it: triangle, checkered square, hexagon
second one, every other triangle should be upside down: triangle down, triangle up, triangle down.
hope this helped!
But it's not one doesn't always have to be the gcf
Answer: B. 150
48-5=43
43+7=50
50•3=150
1/5- 13/65lok lollol lol lol lol