The measures of the angles of a triangle are in the extended ratio of 7:9:10. Find the measures of the angles of the triangle

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

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?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class