Pete, Dan, Ilya, Ed and Leo went to the movies and stood in line to get tickets. If Pete were to stand in the middle of the line, he would be between Dan and Leo; if Pete were to stand at the end of the line, then he would be next to Ilya. But Pete chose to stand in front of all his friends. Who is standing where, if we know that Leo is standing behind Dan?

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

8

step-by-step explanation:

let's call the solutions x₁ = (5 - 2√7)/3 and x₂ = (5 + 2√7)/3

then the equation is (x-x₁)(x-x₂) = 0

if you fill that in you get a lot of numbers which you can recognize as ax²+bx+c=0.

step-by-step explanation:

you can see that a=1 (there is just an x²)

b = (-5 -2√7 + 2√7 - 5)/3 = -10/3

c = -2√7)/3 ) * (-5+2√7)/3) = -1/3

so your answer is 3x^2 – 10x – 1 = 0

it goes right