What is (1+1)7dvidied by 5 added by 1357

What could explain what happened when the time was equal to 120 minutes

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Find the area of the regular hexagon if a side is 20 cm.