Brent is a member of the school's basketball team. Brent is 74 inches tall, the mean height of the players on the team is 76 inches. Brent's height
translates to a z-score of -0.85 in the team's height distribution. What is
the standard deviation of the team members' heights?

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.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.