Serena has a playlist of 10 songs. She plays 2 songs. What is the approximate probability in each case?
She hears her two favorite songs.
She hears her favorite song first and her next favorite song second.

What values of c and d make the equation true?

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?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?