Dominic spent 2 3/4 hours on his art project. rachel worked 1 1/3 times as long on her rt project as dominic worked. for how many hours did rachel work on her art project?

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Put the equation in slope intercept form by solving for y