Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean 163 days and standard deviation 12 days. What is the probability that a randomly selected pregnancy lasts less than 159 days

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described

All of the following are typical ways through which to find an apprenticeship except: a. guidance counselor b. trade association c. a vocational school d. job postings