27. Implement the following RECURSIVE function named starString: // Returns a string containing 2^n stars (*) string starstring (int n); Examples: starstring (1) would return the string "**" starstring (2) would return the string starstring (3) would return the string starString(4) would return the string ***** ****

Establish a line between validation and verification. Please provide examples.

List the location name and location ID where the location ID is 1400, 1500, or 1800. Use INoperator. Do not use OR operator.

Create an ERD based on the Crow's Foot notation, using the following requirements:- Scenic Tours LLC (STLLC) provides guided tours to groups of visitors to the Washington D.C. area. In recent years, STLLC has grown quickly and is having difficulty keeping up with all of the various information needs of the company. The company's operations are as follows. STLLC offers many different tours. For each tour, the tour name, approximate length (in hours), and fee charged is needed. Guides are identified by an employee ID, but the system should also record a guide's name, home address, and date of hire. Guides take a test to be qualified to lead specific tours. It is important to know which guides are qualified to lead which tours and the date that they completed the qualification test for each tour. A guide may be qualified to lead many different tours. A tour can have many different qualified guides. New guides may or may not be qualified to lead any tours, just as a new tour may or may not...

Hi we're allowed to ask at least 3 questions per question, please answer the second one at least