Hey can I have some help please?

Is this answer correct? Or is it the third one?

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.