How much must be deposited at the beginning of each year in an account that pays 4%, compounded annually, so that the account will contain $28,000 at the end of 9 years? (Round your answer to the nearest cent.)

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect