If a ≤m b and b is regular, does that imply that a is a regular language? why or why not?

Technology in the 1960's and the present day? how has technology developed since then? how has this affected travel and tourism?

Deleting an object in such a system is inconvenient because all changes must be made to the control lists of all subjects who did have access to the object. Suggest an alternative, less costly means of handling deletion

A row-major traversal template is a loop that marches across a row in an imaginary 2 by 3 grid and prints the coordinates at each column in that row. What happens next in the loop?

Sabiendo que el engranaje motriz tiene 14 dientes y gira a 4000 RPM, y el conducido tiene 56 dientes, responde: a) Se trata de una transmisión que aumenta o reduce la velocidad? b) Calcula en número de revoluciones por minuto de la rueda conducida.

The movement of the economy through highs and lows is referred to as:

You make a phone call to your local electricity company with a question about your most recent bill. You are passed from department to department before finally getting to a representative who can address your concerns.

What are the different nail disorders?

Which custom configuration is most likely to include a raid array?

Which describes an operating system this is multitasking

With consideration to Ethernet, why is it necessary to have a common language for communication across devices.