How do you convert 52 3/10 % to a decimal

W-16=-12 solve each one step equation plz

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.

What is 140% of 25? because i need