We have the following data for a hypothetical open economy: GNP = $9,0009,000 Consumption (C) = $7,5007,500 Investment (I) = $1,4001,400 Government Purchases (G) = $1,6001,600 Tax Collections (T) = $1,200what is the value of total savings S?what is the value of current account balance CA?

Who has summer school : ( because i do : (

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.

Pam is a low-risk careful driver and fran is a high-risk aggressive driver. to reveal their driver types, an auto-insurance company a. refuses to insure high-risk drivers b. charges a higher premium to owners of newer cars than to owners of older cars c. offers policies that enable drivers to reveal their private information d. uses a pooling equilibrium e. requires drivers to categorize themselves as high-risk or low-risk on the application form