Chris has $8000 in a savings account, $5000 invested in the stock market, he owns a new laptop computer worth $1500, he has $12,000 left to pay on his student loans, and he has $700 outstanding credit card debt. what is chris's total net worth?

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x