What is 3z + 4 + b + 2a + 5 + b simplified? a: 5a + b b: 7a + 7b c: 5a + 2b + 9 d : 6a + 2b + 9 only need answer !

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which is the graph of this function 3 square root of x plus one if