help, 100 points + brainliest

Answer:1:each cd is $8 and each movie is $16
Explanation: I don’t know number 2 but I know number 1 and 3 number 3 is Preston has 19 and heratio has 30 because heratio has 11 more than Preston and 19+11=30 and 30+19=49. Hope this helped that other was was super wrong he guessed for the points.
Answer:
each cd is $8 and each movie is $16
Explanation:
me smart
branliest?