Analisando a equação do segundo grau x2 - 2x +1 = 0, podemos afirmar que ela possui
a) nenhuma solução real
b) uma unica solução real.
c) duas soluções reais.
d) très soluções reais
e) infinitas soluções reais.​

Can someone answer this question? : )

The measure of angle 0 is 600 degrees

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?