Use polynomial identities to prove that 63^2=(60+32)^2

Find the multiplicative inverse of 8-12i

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

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