Consider the operations a ⊖ b = a – |b| and a ⊕ b = (ab)2. Which of the following statements are false? Select all that apply. A. a ⊖ b has a commutative property. B. a ⊖ b has an associative property. C. a ⊕ b has a commutative property. D. a ⊕ b has an associative property.

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score