Garrett  throws  a  dart  at  a  circular  dart  board.  the  dart  board  has  a  radius  of  18 inches,  and  the  bull’s  eye  in  the  center  of  the  dart  board  has  a  radius  of  4  inches. what  is  the  probability  that  a  dart  thrown  at  random  within  the  dartboard  will  hit the  bull’s  eye?   round  your  answer  to  the  nearest  tenth,  if  necessary. a.) 20.3% b.) 4.9% c.) 22.2% d.) 4.5%

Which graph represents the following piecewise defined function?

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem