$3 dollars more than 4 times the cost of a pretzel

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

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

How many solutions does the nonlinear system of equations graphed bellow have?