In the figure, mZ1 = (4x +9)°, mZ2 = (3x + 19), and mZ3 = (8x +11)°. What is mZ3?

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.

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?