Which letter represents the upper quartile of the data set on the box plot

Pls , the question is in the picture!

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?