Lisa purchased a hat for $10, a purse for $20, and a book for $23. The sales-tax rate was 7. 2 percent. What was the total amount she paid?.

Which of the following best describes how the federal reserve bank banks during a bank run? a. the federal reserve bank regulates exchanges to prevent the demand for withdrawals from rising above the required reserve ratio. b. the federal reserve bank acts as an insurance company that pays customers if their bank fails. c. the federal reserve bank has the power to take over a private bank if customers demand too many withdrawals. d. the federal reserve bank can provide a short-term loan to banks to prevent them from running out of money. 2b2t

If delta airlines were to significantly change its fare structure and flight schedule to enhance its competitive position in response to aggressive price cutting by southwest airlines, this would be an example ofanswers: explicit collusion. tacit collusion. competitive dynamics. a harvest strategy.

Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.