How do you find the missing angle m<8=23

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?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

Charlie tosses five coins.what is the probability that all five coins will land tails up.