Querying A Database

Question 1:
Suppliers-We need a Query with a contact name, the phone number of all companies in the USA. Below is the Query.

Below is the Result of the Query.

Question 2: Product Names that cost more than $20

Here is the Query



 Here are the Results:

Question3:Products with more than 30 items in stock

Here is the Query:

 Here are the Results: