What are expressions like 4(3 +2) and 4(3) + 4(2)

Name the most appropriate metric unit for each measurement like the mass of cow

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

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?