What is the image of (4, 3) after a dilation by a scale factor of 2 centered at the origin?

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

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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