Answer: an introduction to provide readers with basic information before performing the first step.
cautions to help readers avoid damage to materials resulting from performing a step incorrectly
Explanation: Just took the test
Answer:chứng minh lim qn=0 khi n tiến đến dương vô cùng nếu trị tuyệt đối của q<1Explanation
I believe the answer is B. Two-thirds of the states vote to hold a constitutional convention.
