PLEASE HELP ME THANKS :( By decreasing each dimension by 3 units, the area of a rectangle decreased from 60 square feet to 18 square feet. Find the percent decrease in area.

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.

Rewrite so the subject can be y in the formula d=m-y/y+n

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8