ALTITUDE As Anchara drives into the mountains, her car thermometer registers the temperatures (°F) shown in the table at the given altitudes (feet). Altitude (ft) 7500 8200 8600 9200 9700 | 10,400 | 12,000 Temperature (°F) 61 58 56 53 46 ? a. Make a scatter plot and a line of fit, and describe the correlation. Temperature Versus Altitude 65 60 55 Temperature (°F) 50 45 0 7,000 8,000 9,000 10,000 Altitude (ft) b. Use two ordered pairs to write a prediction equation. c. Use your prediction equation to predict the missing value.

If f(x)= 3x+6 which of the following is the inverse of f(x)

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Arestaurant manager wanted to get a better understanding of the tips her employees earn, so she decided to record the number of patrons her restaurant receives over the course of a week, as well as how many of those patrons left tips of at least 15%. the data she collected is in the table below. day mon tue wed thu fri sat sun patrons 126 106 103 126 153 165 137 tippers 82 87 93 68 91 83 64 which day of the week has the lowest experimental probability of patrons tipping at least 15%? a. sunday b. saturday c. friday d. thursday