Jim Bob is being chased by a zombie. When he first noticed the zombie he was 20 feet ahead of the brain-hungry monster. After running for 10 seconds, the distance between Jim Bob and the undead beast had decreased by 5 feet. How long until Jim Bob is captured and consumed? The equation is modeled by f(x) = ___x+20 [in a little over 1 minute, in 53 seconds, in 40 seconds, in 30 seconds, the zombie will never catch Jim Bob]

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

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?

Enter the amplitude of the function. f(x)=3cosx