Will give brainlist please answer balanceing equations

How much orange juice do you need to make 2 servings of lemony orange slush?

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)