Can someone help me out in these 3 questions??

Which table shows a proportional relationship between miles traveled and gas used?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.