Nikki is updating her house with hardwood floors. She has a maximum of $8,400 to spend. The minimum amount she can spend if she buys the cheapest hardwood flooring is $7,200. She needs enough flooring to cover 1,200 square feet. The cost for labor and other materials is $3,600. The mequality representing this situation is 7200 < 1200x + 3600 and 1200x + 3600 < 8400. What is her price range per square foot for flooring pannels?​

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.