True or false ? ! 1 ) if segment bc= 8 cm and segment ad= 2x + 6, then x= 1 2) if segment bc= 7 cm and segment ad= 3x - 6, then x= 3 3) the angles in a rectangle are all equal to 45 degrees.

Through non-collinear points there is exactly one plane.

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

Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?