Your task is to write and test a function which takes three arguments (a year, a month, and a day of the month) and returns the corresponding day of the year (for example the 225th day of the year), or returns None if any of the arguments is invalid. Hint: You need to find the number of days in every month, including February in leap years.

Acompany is inviting design for its new corporate logo from its users. this is an example of ? a. crowdfunding b. crowdvoting c. crowdsourced design d. crowdtracking

What is estimated time of arrival (eta)? a device that measures the acceleration (the rate of change of velocity) of an item and is used to track truck speeds or taxi cab speeds a gps technology adventure game that posts the longitude and latitude location for an item on the internet for users to find a north/south measurement of position the time of day of an expected arrival at a certain destination and is typically used for navigation applications

Companies that implement and apply an information system effectively can create