Ill give u a brainliest if its correct!!

Find the zeros of the function f(x) = x² - 4x - 21

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Which of the following circles have their centers in the third quadrant? check all that apply.

What is the interquartile range (iqr) of the data set represented by this box plot?