At starbucks, a cup of coffee costs $2.82. to use exact change, you must hold the number 2.82 in your head, while sorting through your wallet and calculating what coins you have. to be successful in actively processing this information, you must keep the information maintained in short-term storage by using your

a. working memory.

b. sensory storage.

c. semantic memory.

d. long-term storage

Consider the following two stocks, a and b. stock a has an expected return of 10%, 10% standard deviation, and a beta of 1.20. stock b has an expected return of 14%, 25% standard deviation, and a beta of 1.80. the expected market rate of return is 9% and the risk-free rate is 5%. security would be considered a good buy if we include the stock in a well diversified a portfolio because a. b, it offers better alpha b. a, it offers better alpha c. a, it offers better sharpe ratio d. b, it offers better sharpe ratio

Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.

Kyle and alyssa paid $1,000 and $4,000 in qualifying expenses for their two daughters jane and jill, respectively, to attend the university of california. jane is a sophomore and jill is a freshman. kyle and alyssa's agi is $135,000 and they file a joint return. what is their allowable american opportunity tax credit after the credit phase-out based on agi is taken into account?