I believe the first and last one are polynomials. Usually they start with the highest exponent first and then work their way down.
Answer:
k-5
Step-by-step explanation:
If there are multiple operations at the same level on the order of operations off from left to right and you work like this first noticed that there are no parentheses or exponents so we moved to multiplication and division with any sense of parentheses
Answer:
B
Step-by-step explanation:
it is a rectangle. each opposite sides ARE parallel but not every side is equal like a square so B