If a/b = b/c = c/d prove that (a²+c²) (b²-d²) = (ab + cd²)​​

Achef will make pizzas. he has broccoli, peppers, onions, pepperoni, and sausage. how many types of vegetable and one type of meat?

Do not comment if you aren’t going to . 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. !

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin