Suppose there are two biostatistics classes of 18 students and 12 students. the instructor gives them identical exams for the midterm. if the classes score an average of 82.3% and 89.8%, respectively, what is the average score for all students combined?

What is the greater volume 72 quarts or 23 gallons

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?

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%