Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml2, start text, space, m, l, end text to cover 50\text{ cm}^250 cm 2 50, start text, space, c, m, end text, squared of his skin. he wants to know how many milliliters of sunscreen (c)(c)left parenthesis, c, right parenthesis he needs to cover 325\text{ cm}^2325 cm 2 325, start text, space, c, m, end text, squared of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 325, start text, space, c, m, end text, squared of his skin?

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