You are at Market Place Mall searching for a new cell phone. You have identified two plans that work for you. The first plan is through Vextel Communications. The second
plan is through Perizon Wireless. Vextel charges a monthly fee of $20 for text
messaging, call waiting, and caller ID. Vextel also charges you 6 cents per minute to
use the phone. Perizon charges a monthly fee of $10 for text messaging, call waiting,
and caller ID. Perizon Wireless charges you 8 cents per minute to use the phone. How
many minutes per month do you need to use for the Vextel plan to be the better
choice?
VEXTEL
• $20 MONTHLY FEE
• 6 cents per minute
PERIZON
• $10 MONTHLY FEE
• 8 cents per minute

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.