14. pam and sue have volunteered to contact every member of the big foot club by phone to inform
them of an upcoming fundraising event. pam can complete the calls in four days if she works alone.
sue can complete the calls in five days if she works alone. how long will they need to complete the
calls if they work together?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

How do i do this? i don’t understand

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?