A ball is thrown into the air. Its height (in feet) t seconds layer is given by h(t)=80t-16t^2. Based on the two equivalent forms of the function h(t)=80t-16t^2=t*(80-16t), A) What is the height of the ball 1 second after it has been thrown? B) After how many seconds does the ball hit the ground? C) At what time(s) is the ball 50 feet above the ground? Help.

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?