4. write a query that returns the vendor name, invoice number, invoice date, and balance due. show only those invoices with non-zero balance. sort the results by vendor name in ascending order. (balance due is a derived attribute that you will need to define).

You have written, as part of a school assignment, a research paper on the solar system. you want to share this paper on your school website. on which type of server will you upload it?

Working on this program in python 3.7: a year in the modern gregorian calendar consists of 365 days. in reality, the earth takes longer to rotate around the sun. to account for the difference in time, every 4 years, a leap year takes place. a leap year is when a year has 366 days: an extra day, february 29th. the requirements for a given year to be a leap year are: 1) the year must be divisible by 42) if the year is a century year (1700, 1800, the year must be evenly divisible by 400some example leap years are 1600, 1712, and 2016.write a program that takes in a year and determines whether that year is a leap year. ex: if the input is 1712, the output is: 1712 is a leap year. ex: if the input is 1913, the output is: 1913 is not a leap year. your program must define and call the function isleapyear(useryear). the function should return true if the input year is a leap year and false otherwise.

Ou listened to a song on your computer. did you use hardware or software?