Matrices C and D are shown below. 2

1

0

a

b

-0.4

C= 0 3

4

D=0

-0.2

0.8

0

2

1

O

0.4

-0.6

What values of a and b will make the equation CD = I true?

a=0.5

b=0.1

O a=0.1

b=0.5

a=-0.5

b=-0.1

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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