The quotient is 7 less than the divisor the dividend is 18

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

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