On an English examination, two students received scores of 90, five students received 85, seven
students received 75, and one student received 55.
The average score on this examination was
1) 75
2) 76
3) 77
4) 79

what’s the question?

step-by-step explanation:

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.