At the fair the “twirly tea cup” ride can hold nine people per tea cup. if the ride has seven tea cups, how many total people can ride at a time

Iknow the answer but the calculator doesn't seem to give the right one

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

Write an equation in slope-intercept form using the given points (19,-16), (-7,-15)