In a fractional-reserve banking system with no excess reserves and no currency holdings, if the central bank buys $100 million worth of bonds, a. both reserves and the money supply increase by more than $100 million. b. reserves increase by $100 million and the money supply increases by $100 million. c. reserves increase by $100 million and the money supply increases by more than $100 million. d. reserves and the money supply increase by less than $100 million.

The federal act which provided over $7 billion to the epa to protect and promote "green" jobs and a healthier environment is the - national environmental policy act. - resource recovery act.- resource conservation and recovery act.- american recovery and reinvestment act. - clean air act.

You are the manager in charge of global operations at bankglobal – a large commercial bank that operates in a number of countries around the world. you must decide whether or not to launch a new advertising campaign in the u. s. market. your accounting department has provided the accompanying statement, which summarizes the financial impact of the advertising campaign on u. s. operations. in addition, you recently received a call from a colleague in charge of foreign operations, and she indicated that her unit would lose $8 million if the u. s. advertising campaign were launched. your goal is to maximize bankglobal’s value. should you launch the new campaign? explain. pre-advertising campaign post-advertising campaign total revenues $18,610,900 $31,980,200 variable cost tv airtime 5,750,350 8,610,400 ad development labor 1,960,580 3,102,450 total variable costs 7,710,930 11,712,850 direct fixed cost depreciation – computer equipment 1,500,000 1,500,000 total direct fixed cost 1,500,000 1,500,000 indirect fixed cost managerial salaries 8,458,100 8,458,100 office supplies 2,003,500 2,003,500 total indirect fixed cost $10,461,600 $10,461,600

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.