What are the chances your flight will leave on time? Below are a histogram and summary statistics for the percentage of flights departing on time each month from thru 2006. There is no evidence of a trend overtime. What is the degrees of freedom that should be used to do a 90% confidence interval?

3x + 4y = 5 x- 3y = -7 solve by substitution

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work:

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?