Two people are randomly chosen from an office with 4 managers and 8 office workers. if the first person, a manager, is not replaced, find the probability of choosing a second person who is an office worker.

What is the difference between the predicted value and the actual value

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons