Annette is eighteen years older than Tina. In ten years, Annette will be twice as old as Tina is today. How old is Annette, in years?

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

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?