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## Henriettas from Savannah, GA's Resources

The sales force of a business consists of 10 men and 10 women. A production unit of 6 people is set up at random. What is the probability that it will consist of 2 men and 4 women? (type answer as...

Do the equations x = 4y + 1 and x = 4y – 1 have the same solution? How might you explain your answer to someone who has not learned algebra? How do you solve? This is for new learners...

A student read about Volkswagen packing in the 1960s. She was interested in knowing the maximum number of students that fit into a Volkswagen car. How might you help her estimate an answer...

Is the compound interest formula—such as would be used to calculate a car loan—an example of a function? If yes, of what type of function is it an example of? Why might you identify it with...

where a does not equal 0, can have more than one solution. Using the discriminant and graph of a quadratic equation, how can you tell how many real solutions a quadratic equation will have...

What is the domain and range of a function (in general terms)? Why do units of time, distance and money often restrict the domain of a real-world model to only positive values of the input...

How are these concepts of direct, inverse, and joint variation used in everyday life? Provide examples for each.