How to figure the equations for a math problem

Which function is shown in the graph below?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

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?