How many committees of 4 people can be chosen from a group of 20 applicants?

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico

Need same math paper but the back now i hope your able to read it cleary i need with hw

Suppose m: angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw about a complement of a complement of an angle