Nicole is playing a video game where each round lasts 7 12 12 7 start fraction, 7, divided by, 12, end fraction of an hour. She has scheduled 3 3 4 3 4 3 3, start fraction, 3, divided by, 4, end fraction hours to play the game.

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

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?