Kathie spent $38 on a fruit salad. She bought bananas, mangoes, and pineapples. Bananas cost $1 per pound, mangoes cost $2 per pound, and pineapples cost $3 per pound. Identify the linear equation in three variables that represent this situation.

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

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