I’m the trapezoid PQRS, what is the length of the midsegment XY

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides. should be his answer

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad