There are 240 seventh graders at yorktown middle school. two thirds of the student participate in after school activities how many students participate in after school activities

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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?

We just started the introduction into circles and i have no idea how to do this.