What is the name for the point where three altitude lines meet? 1) incenter 2) circumcenter 3) concurrence 4) centroid 5) orthocenter

Need solving this second acceleration problem.

Which function has the domain x> -11?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)