Month value
1 16000
31000
42000
7 11
8 18
9 225000
over a 9-month period an account increased in value as shown in the table, with values in dollars. find a quadratic curve of
best fit for this data.
y = 14700 + 6700x - 8800 x2
y- 18900 + 12100x - 500x?
y= 22300 + 28200x + 1400x?
y=29600 - 13300x + 3880x2

Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1

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

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?