Please help quick thanks​

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol