A survey of 140 freshmen business students at a local university produced the results listed below. How many students took only psychology? 33 took history;
42 took science;
39 took psychology;
19 took history but not science;
12 took science and psychology;
10 took history and psychology;
2 took all three

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.

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?

The length of a rectangular plot of land is given by the expression 6x^3y^4. the width of the plot is given by the expression 5x^5y^4z. find an expression to represent the area of the rectangular plot.