Write each explanation: a) If +7 represents 7 floors up, what does minus 3 represent?
b) If -400 represents 400m below sea level, what does +3000 represent?
c) If +14 represents 14 steps forward, what does -8 represent?
d) If -9 represents 9 points lost, what does +15 represent?

For which pair of functions is (gof)(a)=|a|-2?

Find the axis symmetry of x y=4x-6x+3

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