Destiny designs necklaces. she uses between 1515 and 2020 yellow and blue beads in a ratio of 44 yellow beads to 55 blue beads.

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.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi