The value of a computer depreciates with age, as shown in the table. value of a computer which function represents the value of a computer after t years? f(t) = 1,600 – 226.16t f(t) = 1,600 – 320t f(t) = 1,600(0.2)t f(t) = 1,600(0.8)t

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?