22. the time t required to do a job varies inversely as the number of people p working. it takes 3
hours for 7 volunteers to pick up rubbish from 1 mile of roadway. how long would it take 12
volunteers to complete the job?

Ihonestly have no clue if it's each or none.

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.