3 liters of milk divided by 20

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon

Urgentwhat is the area of the figure?