In a beaded necklace 3/12 of the beads are blue and 1/3 are green. use benchmark fractions to estimate about what fraction of the beads are blue or green. explain.

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes