What quadratic has a graph with x-intercepts 6 and -6? a)y=x^2-6 b)y=x^2-36 c)y=x^2+36 d)y=x^2-12x+36

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.