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.

3. what is the output of the following statements? temporary object1; temporary object2("rectangle", 8.5, 5); temporary object3("circle", 6, 0); temporary object4("cylinder", 6, 3.5); cout < < fixed < < showpoint < < setprecision(2); object1.print(); object2.print(); object3.print(); object4.print(); object1.set("sphere", 4.5, 0); object1.print();

What is a typeface? a. a collection of similar text b. a collection of similar fonts c. a collection of similar designs d. a collection of similar colors e. a collection of similar images

Compete the sentence with the phrase that makes the proof statement true. c is the midpoint to segment ae segment ab is congruent to segment de length ac is equal to length ab plus length bc