Arunner warms up for ten minutes and then takes seven minutes to run each mile. the total time after r miles in 45 minutes. how manymiles are run

Which graph represents the parent function of y=(x+2)(x-2)

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:

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?