Rob bought a hat and 3 shirts for $35. Dan bought 2 hats and a shirt for $20. Which system of equations can be used to find s , the cost of one shirt, and h , the cost of one hat?

Is the figure congruent? yes or no?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

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?