Set Theory - Intersection & Union with Sets and Complements What happens when an escalator breaks down? Use the sets given to find the
solutions. Cross out the solutions in the grid below to reveal the solution to the
riddle. Use these sets to complete the problems

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step-by-step explanation:

where is the graph? need more info

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.