The tables show the number of chin-ups done by students in two different gym classes. 2nd period 3 4 12 14 7 7 8 4 8 3 11 10 9 8 10 4 8 7 13 9 4th period 10 3 14 14 16 15 7 12 7 10 12 8 10 9 6 11 9 1 2 5 what conclusion can you draw about the number of chin-ups done by students in the 2nd and 4th period gym classes? question 4 options: on average, students in the 2nd period did more chin-ups than students in the 4th period. on average, students in the 4th period did more chin-ups than students in the 2nd period. on average, students in the 2nd and 4th periods did about the same number of chin-ups. no conclusion can be made.

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

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.

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.