In math what does the term ^ mean im not learning this in school yet but i see it a lot on this app

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

What is the base of 1/9 to the power of 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: