Joann works in a publicity office at the state university. she is paid $13.00 an hour for the first 35 hours she works each week and $19.50 an hour for every hour after that. if she makes $650.00 one week, how many hours did she work?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places