What is one course of action available in every problem solving process

Asap ! 1. evaluate the following and simplify if possible when pie = 22 11/pie = 2. evaluate the following and simplify if possible when pie = 11 and y = 5 pie/12 - y/12 = 3. evaluate the following and simplify if possible when pie = 5 : 3/pie + 2/ pie = 4. evaluate the following and simplify if possible when pie = 5 : 3/pie + 2/pie = 5. evaluate the following and simplify if possible when pie = 6 and y = 10: x/y = 6. evaluate the following and simplify if possible when pie = 6: pie/9 7. evaluate the following and simplify if possible when pie = 5 and y = 20: pie/y = 8. evaluate the following and simplify if possible when pie = 4 and y = 24: pie/y = 9. evaluate the following and simplify if possible when pie = 6 5/pie = 10. evaluate the following and simplify if possible when pie = 21 4/7 + 2/pie = 11. evaluate the following and simplify if possible when pie = 3 and y = 1 pie/10 + y/5 = 12.evaluate the following and simplify if possible when pie = 8 pie/10 =

Andrea cujoli is a currency speculator who enjoys "betting" on changes in the foreign currency exchange market. currently the spot price for the japanese yen is ¥129.87/$ and the 6-month forward rate is ¥128.53/$. andrea would earn a higher rate of return by buying yen and a forward contract than if she had invested her money in 6-month us treasury securities at an annual rate of 2.50%. true/false?

What is the cause of smoky exhaust?