please I need help with all these questions

7. [-/7.14 Points] DETAILS WANEFMAC7 8.5.033. MY NOTES Say whether the given pair of events is independent, mutually exclusive, or neither. A: Your new skateboard design is a success. B: Your new skateboard design is a failure. O independent O mutually exclusive O neither 8. [-/7.14 Points] DETAILS WANEFMAC7 8.5.036. MY NOTES Say whether the given pair of events is independent, mutually exclusive, or neither. A: Your first coin flip results in heads. 8: Your second coin flip results in heads. O independent O mutually exclusive O neither 9. [-/7.14 Points] DETAILS WANEFMAC7 8.5.049. MY NOTES Social Security According to a certain news poll, 65% agreed that it should be the government's responsibility to provide a decent standard of living for the elderly, and 37% agreed that it would be a good idea to invest part of their Social Security taxes on their own. If agreement with one of these propositions is independent of agreement with the other, what is the probability that a person agreed with both propositions? (Round your answer to two decimal places.)