In a in a survey 400 students were asked whether lemonade should be added to the school menu 1/5 of the students were fight yes write down the number of students who apply guess

If I were you, I would guess 320 students.

Step-by-step explanation:

1.) Think about it, 400 students were asked the same question and 80 chose to fight for lemonade on the school menu. 4/5 or 320 students put Guess.

2.) It's true that 400 students voted, but 80 voted yes, and 320 voted guess.

3.) Further Explanation:

1/5 times 400 equals 80. It's true only 80 students voted yes. 4/5 times 400 equals 320 students voted guess.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8