Use the fundamental identities to simplify the expression.
3tan(-x)cosx

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.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.