5x + 3y = 15
x-6y=3
Substitution show work plz

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.