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Message instructor about this question Post this question to forum Mariah recently purchased a house and started furnishing it. 7 days after she purchased the house she had $3,500 in her bank account, and 24 days after purchasing the house she had $250 in her bank account. Let t represent the number of days since Mariah purchased her house and let b represent the corresponding amount of money Mariah has in her bank account (in dollars). a. From 7 days to 24 days after Mariah purchased her house, what was the change in t? At = Preview b. On the number line below, represent the change in t that you found in part (a). 10 10 15 20 25 3 6 Clear All Draw: c. From 7 days to 24 days after Mariah purchased her house, what was the change in b? Ab = Preview d. On the number line below, represent the change in b that you found in part (c). b 1000 2000 3000 40 Clear All Draw