constituting result found by dividing total amount. number expressing the central or typical value in a set of data. amount to or achieve as average rate or amount over period of time.

form mental image of.

That surprises you; not expected. unexpected or astonishing event, fact. To do something that another person didn't expect.

person who purchases goods and services. People who buy goods or services.

relating to or making use of form of tape transport, used mainly to provide backup storage. method of relaying data over computer network as steady continuous stream. To split classes or students into ability levels.

system for converting visual images with sound into electrical signals, transmitting them by radio or other means.

To use time in order to do something.

To find something new that was not known before.

Presented as one item but includes several. Box or container items are placed in for mailing. To put something into a container to store it.

either of pair of long, thin sensory appendages.

Having a low price; cheap.

set of related measures. TV shows. To write computer code for a piece of software.

action of helping or doing work for someone. Maintenance of machineries so it runs well, e.g. cars. To maintain a piece of machinery so it runs well.

Device sent into space that aids communication.

Way to solve or deal with a problem.