The Chen family bought a small business. The equation ý = 4.2x – 12.9 models the business's cash value, in thousands of dollars, x years after they bought the business.
Which statement best explains what the y-intercept of the equation means?
The business was $12,900 in debt when the Chen family bought it.
After the Chen family bought the business, the business lost $12,900 in 4.2 months.
The business lost $12,900 every year after the Chen family bought it.
The Chen family paid $12,900 for the business.

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

It appears that people who are mildly obese are less active than leaner people. one study looked at the average number of minutes per day that people spend standing or walking. among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately normally distributed with mean 376 minutes and standard deviation 64 minutes. the mean number of minutes of daily activity for lean people is approximately normally distributed with mean 528 minutes and standard deviation 107 minutes. a researcher records the minutes of activity for an srs of 7 mildly obese people and an srs of 7 lean people. use z-scores rounded to two decimal places to answer the following: what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 mildly obese people exceeds 420 minutes? what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 lean people exceeds 420 minutes?