1st? - cynthia paid $0.20 per hobby magazine at a tag sale. she bought half of all the magazines that were for sale and paid $10. how many magazines were there in all?
2nd? -in the first problem, the amount of money cynthia pays is a function of the number of magazines she bought.
a- write an equation that shows what cynthia pays dollars (d) for the number of magazines (m) shes buys.
b- make a function table with four (m, d) pairs of your choosing that satisfy the function.

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.