The diagram shows the universal set u = {parallelograms}. set a represents parallelograms with four congruent sides, while b represents parallelograms with four congruent angles. how many of the parallelograms fall into the category a u b? 6 8 18 26

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?