Let set A = {all whole numbers from 1-10) and set B = {all whole numbers from 11-20). What is A U B? (2 points)
{all whole numbers from 1-20)
{all whole numbers from 1-10}
{all whole numbers from 11-20)
e
the union is the empty set

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

Which is the graph of the linear equation x – 2y = 6?

Idk math. i need to fill in the missing numbers . due tommorow !