1. Stephanie is a software developer who develops Apps (mobile device programs) for smart phones and tablet computers. Stephanie is very creative and very efficient so her services are
in high demand. She is offered two new job opportunities and is considering which
opportunity to select.
Opportunity 1 - She eams a fixed monthly salary of $4000 and a payment of $900 for each
App she develops during the month.
Opportunity 2 - She eams a fixed monthly salary of $6000 and a payment of $450 for each
App she develops during the month.
a. Identify a variable for the number of Apps she develops each month.
b. Write an expression for Opportunity 1.
c. Write an expression for Opportunity 2.

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.