Martin earns a base salary and a commission on each new policy, so Martin's weekly income(I), depends on the number of new policies(n), he sells during the week. Last week he sold 4 new policies and earned $680 for the week. The week before, he sold 7 new policies and earned $950. a) Find an equation for I(n). then interpret the meaning of each component
b) What would be his income for the week during which he sold 9 new policies?

Suppose that the u.s. dollars-mexican pesos exchange rate is fixed by the u.s. and mexican governments. assume also that labor is mobile between the united states and mexico due to low transportation costs.which of the following situations is likely to happen as a result of a simultaneous increase in the demand for u.s. goods and decrease in the demand for mexican goods? (pick mexican unemployment rate increases, and the country undergoes bad economic times for a sustained u.s. unemployment rate increases, and the country undergoes bad economic times for a sustained mexican unemployment rate rises at first, but it soon drops as unemployed mexicans move to the united states for mexican unemployment rate rises at first, but then it drops as mexican pesos depreciate against u.s. dollars.