What’s 35 divide by 4?

Ineed with number 17 i don’t get it at alll

Find the difference (8ab+a+2) - (3ab+6)

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.