Suppose a virus splits into two every 45 minutes how many viruses are there after 5 hours 15 minutes

Given the graph below state whether or not the relation is a function, and give the domain and range.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

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