Given prove line PQ is parallel to Line RS.

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Me. i can't figure out this question. give an explanation too. .

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?