Help and explain please

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Which graph represents the equation y =4x

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.