Tomas receives monthly wages of $1,500 and government transfers of $200 per month, and pays income and sales tax of $170. tomas's disposable income is a month.

$ 1530.

Justification:

Disposable income is the amount of money available for spending and saving after taxes have been paid.

So, disposable income = monthly wages + goverment transfers - income and sales taxes

=> disposable income = $1500 + $200 - $ 170 = $1530

The answer is the magnetosphere.

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen