What decimal is equivalent to 117 151/209

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

Adriveway is 40 yards long about how many meters long is it

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.