A newborn baby is always in one of the 3 status: eat(E), play(P) and sleep(S). On average, he eats for 30 minutes, play for 40 minutes and sleep for 60 minutes. After eating, there is a 40-60 chance he will sleep or play; After playing, there is a 60-40 chance he will eat or sleep; After sleeping, he always plays. (a) What portion of the day does the baby sleep

Kallie wants to improve her tennis serve. she already practices every day the court is available, and her technique and energy output are outstanding. kallie should focus select one: a. frequency; performing more cardio-related workouts b. intensity; increasing the effort expended during her workout c. time; increasing the length of her workout d. type; performing a different activity to achieve her goal