Which given answer is correct and how do you solve for it?

In what organelle does photosynthesis take place?

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.

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.