Which of the following best describes the expression 9(x + 7)? The sum of constant factors 9 and x + 7
The product of constant factors 9 and x + 7
The product of a constant factor 9 and a 2-term factor x + 7
The sum of a constant factor 9 and a 2-term factor x + 7

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