MODELING WITH MATHEMATICS In 1960, the world record for the men's mile was 3.91 minutes. In 1980, the record time was 3.81 minutes. a. Write a linear model that represents the world record (in minutes) for the men's mile as a function of the number of years, t. since 1960.
y =
b. Use the model to estimate the record time in 2000 and predict the record time in 2020,
2000:
minutes
2020:
minutes

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Asequence is a function whose is the set of natural numbers

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?