No Show that the following pair of lines are parallel
(a) x + y - 7 = 0 and 2x + 2y - 8 = 0
(b) 2x - 8y + 6 = 0 and 3x - 12y - 4 = 0
(c) 2x - 4y + 8 = 0 and x - 2y + 3 = 0
(d) 3x - 4y = 7 and 3x - 4y + 9 = 0

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