Imagine you saved $4000 to spend winter break visiting your relatives in new york. it costs $1200 for the plane ticket and $300 per night for the hotel. think of the function that demonstrates the cost (c) based on the number of nights (n) you spend. what is the rate of change?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Charlie tosses five coins.what is the probability that all five coins will land tails up.

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed