What kind of disc is a type of storage media that consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written to and read by a laser?

Optical disk.

Explanation:

The optical disk is defined as a storage media containing a flat, compact, and round disk and manufactured with aluminum, acrylic, and lacquer. A laser is used to write and read the optical disks. Audio, film, applications and images were developed specifically to store optical disks.They are generally of two type read only and write/read. Read only format do not allow to write any information to the disk while the other does allow to read information to the disk.  

emily ruth's annual premium is $1058.50

step-by-step explanation:

emily ruth is a female of 27 years age purchasing 20 year endowment insurance with face value $25000.

from the given table,

for females, the age of a male 3 years younger should be used.

so, we have to check for 24 year male for 20 year endowment.

it is 42.34 for every $1000 face value.

for a face value of $25000,

it is 25 * 42.34 = $1058.50

∴ emily ruth's annual premium is $1058.50