7 Patrick has spent a total of $32 on nuts at the store Cashews cost $8/kg and walnuts cost $4/kg a) Write an equation to represent Patrick's purchases
b) Isolate the variable for the quantity of walnuts in your equation
c) Calculate the intercepts
d) What do these values represent

Tom and lilly rented a house for $12,000 last year. at the start of the year they bought the house they had been renting directly from the owner for $250,000. they believe they could rent it for $12,000 this year, but stay in the house. how much does tom and lilly’s decision to buy the house change gdp? a. it reduces gdp by $12,000 b. it does not change gdp c. it raises gdp by $238,000 d. it raises gdp by $250,000