If you plug in the x values of both (2, 8) and (4, 12) into each equation, you'll find that y = 2x + 4 gives you the correct y values for both (2, 8) and (4, 12). So that is your answer.
Answer:

<h3>4th answer is correct</h3>
Step-by-step explanation:

Answer:
3 or 3 and 1/2
Step-by-step explanation:
2 toppings per pizza
2, 4, 6 and the half pizza with one topping