I would think A because regular quadrilaterals have 90-degree angles.
Answer:
810
Step-by-step explanation:
(x-3)(x+4). -3,4 multiply to -12, and add to get 1
Answer: The correct answer is x+3
Step-by-step explanation: To find the answer you must first remove the parentheses then you combine the like terms and that how you get your answer.
