a circular running track is 1/4 mile long. Elena runs on this track completing each lap in 1/20 hour what is Elena running speed including unit of measirement

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

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.