twelve of the comic books in Rachel's collection are in mint condition. If of her collection is in mint condition, how many comic books are in her collection? Which equation can be used to solve the problem above? 1 O 12-E n O-12-n On-12 1 On-12- Submit Next Save and Exit Mark this and return

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

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

X– 4 = 12.5 can be written in words as