Which of the following functions are quadratic functions? (select all that apply.) a. f(x) = 2x − 4 b. f(x) = 3 − x2 c. f(x) = 3x2 − x − 6 d. f(x) = 3 x2

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

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If you eat 4 medium strawberries, you get 48% of your daily recommenced amount of vitamin c. what fraction of your daily amount of vitamin c do you still need?