Aset of data items in normally distributed with a mean of 400 & a standard deviation of 40. find the data item in this distribution that corresponds to the given z-score.

the data item that corresponds to z=-6.3 is

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

3382-299=3383- ? fill in the blank?