Determine whether each question is biased. explain your answer. 1. a questionnaire about movie preferences asks if you would rather watch a boring documentary or an exciting action movie? 2. a beverage company conducts a survey in the lobby of a health club to determine people’s favorite beverage.

1.  This question is biased because of the wording of the question. They are automatically making the reader want to see the action movie because they are called exciting.

2.  This question is biased because people at the health club are going to pick the healthy drink over sugary drinks

Step-by-step explanation:

A problem with one variable: Al's father is 45. He is 15 years older than twice Al's age. How old is Al? But what if we can't express all the information in the problem using only one variable? Sometimes we must use two variables to express the given information, which means that we need two equations to solve for these variables.