(a) Identify the unknown quantity (quantities)
(b) Define a variable (or variables) to represent the unknown
(c) Write an equation that describes the information given in the statement of the problem
(d) Solve the equation and answer the problem.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

Afair survey question is one that does not encourage biased responses. which survey question is fair? a.) do you agree that only unethical people take credit for other people’s work? b.) have you ever taken credit for somebody else’s work? c.) have you ever engaged in unethical behavior, such as taking credit for somebody else’s work? d.) don’t you think it is unethical to take credit for somebody else’s work?