Can someone please give me this answer.

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

What is the difference between regular convex and concave polygons

If chord ab is congruent to chord cd, then what must be true about ef and eg?