The lines y=x+1 and y=-x-3 are graphed.
What is the solution to the system?

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).