A sealed mailing tube in the shape of a cylinder has a radius of 2 inches and is 10 inches long. What is the surface area of the sealed mailing tube?

Use 3.14 to pi.

Write the pair of fractions as a pair of fractions with a common denominator

(x-5)1/2+5=2 what is a possible solution?

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